| Id | City | State |
| 04V | SAGUACHE | CO |
| 04W | HINCKLEY | MN |
| 05U | EUREKA | NV |
| 06D | ROLLA | ND |
| 08D | STANLEY | ND |
| 0A9 | ELIZABETHTON | TN |
| 0B1 | BETHEL | ME |
| 0E0 | MORIARTY | NM |
| 0F2 | BOWIE | TX |
| 0G7 | SENECA FALLS | NY |
| 0R3 | ABBEVILLE | LA |
| 0V7 | KAYENTA | AZ |
| 10G | MILLERSBURG | OH |
| 11A | CLAYTON | AL |
| 11R | BRENHAM | TX |
| 12J | BREWTON | AL |
| 13K | EUREKA | KS |
| 14Y | LONG PRAIRIE | MN |
| 16G | TIFFIN | OH |
| 17G | BUCYRUS | OH |
| 18A | CANON | GA |
| 19A | JEFFERSON | GA |
| 1A5 | FRANKLIN | NC |
| 1A6 | MIDDLESBORO | KY |
| 1B1 | HUDSON | NY |
| 1D1 | MILBANK | SD |
| 1F0 | ARDMORE | OK |
| 1G0 | BOWLING GREEN | OH |
| 1G2 | GRANITE FALLS | MN |
| 1H2 | EFFINGHAM | IL |
| 1M4 | HALEYVILLE | AL |
| 1M5 | PORTLAND | TN |
| 1M9 | CADIZ | KY |
| 1N9 | ALLENTOWN | PA |
| 1O2 | LAKEPORT | CA |
| 1P1 | PLYMOUTH | NH |
| 1R7 | BROOKHAVEN | MS |
| 20U | BEACH | ND |
| 20V | KREMMLING | CO |
| 21D | ST PAUL | MN |
| 22N | LEHIGHTON | PA |
| 24J | LIVE OAK | FL |
| 27A | ELBERTON | GA |
| 27K | GEORGETOWN | KY |
| 28J | PALATKA | FL |
| 29G | RAVENNA | OH |
| 2A0 | DAYTON | TN |
| 2C7 | SHAKTOOLIK | AK |
| 2C8 | CAVALIER | ND |
| 2D2 | OAKES | ND |
| 2F8 | BASTROP | LA |
| 2G3 | CONNELLSVILLE | PA |
| 2G4 | OAKLAND | MD |
| 2G9 | SOMERSET | PA |
| 2I0 | MADISONVILLE | KY |
| 2IS | CLEWISTON | FL |
| 2K3 | JOHNSON | KS |
| 2M2 | LAWRENCEBURG | TN |
| 2M8 | MILLINGTON | TN |
| 2Q3 | YOLO COUNTY-DAVIS WINTERS | CA |
| 2R2 | INDIANAPOLIS | IN |
| 2V5 | WRAY | CO |
| 2W6 | LEONARDTOWN | MD |
| 33V | WALDEN | CO |
| 36U | HEBER | UT |
| 3A1 | CULLMAN | AL |
| 3I2 | POINT PLEASANT | WV |
| 3J7 | GREENSBORO | GA |
| 3K3 | SYRACUSE | KS |
| 3LF | LITCHFIELD | IL |
| 3MW | MOUNT WERNER | CO |
| 3S4 | CAVE JUNCTION | OR |
| 3S8 | GRANTS PASS | OR |
| 3T5 | LA GRANGE | TX |
| 3U3 | ANACONDA | MT |
| 40J | PERRY | FL |
| 42J | KEYSTONE HEIGHTS | FL |
| 46D | CARRINGTON | ND |
| 47A | CANTON | GA |
| 48I | SUTTON | WV |
| 49A | ELLIJAY | GA |
| 49T | DALLAS | TX |
| 4A6 | SCOTTSBORO | AL |
| 4A7 | HAMPTON | GA |
| 4A9 | FORT PAYNE | AL |
| 4BM | HARTZEL | CO |
| 4F5 | BELLEFONTAINE | OH |
| 4G6 | HORNELL | NY |
| 4I3 | MOUNT VERNON | OH |
| 4I7 | GREENCASTLE | IN |
| 4M9 | CORNING | AR |
| 4O4 | IDABEL | OK |
| 4R4 | FAIRHOPE | AL |
| 4S1 | GOLD BEACH | OR |
| 4S2 | HOOD RIVER | OR |
| 4SD | RENO | NV |
| 4V0 | RANGELY | CO |
| 4V1 | WALSENBURG | CO |
| 4X4 | WESSINGTON SPRINGS | SD |
| 55J | FERNANDINA BEACH | FL |
| 5B2 | SARATOGA SPRINGS | NY |
| 5C1 | SAN ANTONIO | TX |
| 5H4 | HARVEY | ND |
| 5K2 | TRIBUNE | KS |
| 5R8 | DE QUINCY | LA |
| 5SM | SUNLIGHT MOUNTAIN | CO |
| 65S | BONNERS FERRY | ID |
| 6A1 | BUTLER | GA |
| 6A2 | GRIFFIN | GA |
| 6A4 | MOUNTAIN CITY | TN |
| 6B8 | LYNDONVILLE | VT |
| 6D8 | VALLEY CITY | ND |
| 6I2 | SPRINGFIELD | KY |
| 6R3 | CLEVELAND | TX |
| 6S0 | BIG TIMBER | MT |
| 6S2 | FLORENCE | OR |
| 6S5 | HAMILTON | MT |
| 6S8 | LAUREL | MT |
| 6V3 | RICHLANDS | VA |
| 73J | BEAUFORT | SC |
| 74V | ROOSEVELT | UT |
| 79J | ANDALUSIA/OPP | AL |
| 79P | DANVILLE | PA |
| 79S | FORT BENTON | MT |
| 7BM | BALD MOUNTAIN | CO |
| 7F6 | CLARKSVILLE | TX |
| 7L2 | LINTON | ND |
| 7N0 | NEW ORLEANS | LA |
| 7S0 | RONAN | MT |
| 7V6 | GUERNSEY | WY |
| 81R | SAN SABA | TX |
| 82V | PINE BLUFFS | WY |
| 88M | EUREKA | MT |
| 8A0 | ALBERTVILLE | AL |
| 8A3 | LIVINGSTON | TN |
| 8A4 | INDIANAPOLIS | IN |
| 8B0 | RANGELEY | ME |
| 8D4 | SPARTA | MI |
| 8V7 | SPRINGFIELD | CO |
| 9A1 | COVINGTON | GA |
| 9A4 | COURTLAND | AL |
| 9A5 | LAFAYETTE | GA |
| 9A6 | CHESTER | SC |
| 9D7 | CANDO | ND |
| 9K7 | ELLSWORTH | KS |
| 9K8 | KINGMAN | KS |
| 9MN | ROCHESTER | MN |
| 9S5 | THREE FORKS | MT |
| 9S9 | LEXINGTON | OR |
| AAA | LINCOLN | IL |
| AAF | APALACHICOLA | FL |
| AAO | WICHITA | KS |
| AAS | CAMPBELLSVILLE | KY |
| AAT | ALTURAS | CA |
| ABE | ALLENTOWN | PA |
| ABI | ABILENE | TX |
| ABQ | ALBUQUERQUE | NM |
| ABR | ABERDEEN | SD |
| ABY | ALBANY | GA |
| ACB | BELLAIRE | MI |
| ACJ | AMERICUS | GA |
| ACK | NANTUCKET | MA |
| ACP | OAKDALE | LA |
| ACQ | WASECA | MN |
| ACT | WACO | TX |
| ACV | ARCATA/EUREKA | CA |
| ACY | ATLANTIC CITY INTL | NJ |
| ADC | WADENA | MN |
| ADG | ADRIAN | MI |
| ADH | ADA | OK |
| ADK | ADAK ISLAND | AK |
| ADM | ARDMORE | OK |
| ADQ | KODIAK | AK |
| ADS | DALLAS | TX |
| ADT | ATWOOD | KS |
| ADU | AUDUBON | IA |
| AEG | ALBUQUERQUE | NM |
| AEJ | BUENA VISTA | CO |
| AEL | ALBERT LEA | MN |
| AEX | ALEXANDRIA | LA |
| AFJ | WASHINGTON | PA |
| AFK | NEBRASKA CITY | NE |
| AFM | AMBLER | AK |
| AFN | JAFFREY | NH |
| AFO | AFTON | WY |
| AFP | WADESBORO | NC |
| AFW | FORT WORTH | TX |
| AGC | PITTSBURGH | PA |
| AGN | ANGOON | AK |
| AGS | AUGUSTA | GA |
| AHC | HERLONG | CA |
| AHN | ATHENS | GA |
| AHQ | WAHOO | NE |
| AIA | ALLIANCE | NE |
| AIB | NUCLA | CO |
| AID | ANDERSON | IN |
| AIG | ANTIGO | WI |
| AIK | AIKEN | SC |
| AIO | ATLANTIC | IA |
| AIT | AITKIN | MN |
| AIZ | KAISER LAKE OZARK | MO |
| AJC | CHIGNIK | AK |
| AJG | MOUNT CARMEL | IL |
| AJO | CORONA | CA |
| AJR | CORNELIA | GA |
| AJZ | DELTA | CO |
| AKH | GASTONIA | NC |
| AKK | AKHIOK | AK |
| AKO | AKRON | CO |
| AKP | ANAKTUVUK PASS | AK |
| AKQ | WAKEFIELD | VA |
| AKR | AKRON | OH |
| AKW | KLAWOCK | AK |
| ALB | ALBANY | NY |
| ALI | ALICE | TX |
| ALM | ALAMOGORDO | NM |
| ALN | ALTON/ST LOUIS | IL |
| ALO | WATERLOO | IA |
| ALS | ALAMOSA | CO |
| ALW | WALLA WALLA | WA |
| ALX | ALEXANDER CITY | AL |
| AMA | AMARILLO | TX |
| AMG | ALMA | GA |
| AMN | ALMA | MI |
| AMW | AMES | IA |
| ANB | ANNISTON | AL |
| AND | ANDERSON | SC |
| ANE | MINNEAPOLIS | MN |
| ANI | ANIAK | AK |
| ANJ | SAULT STE MARIE | MI |
| ANK | SALIDA | CO |
| ANN | ANNETTE | AK |
| ANP | ANNAPOLIS | MD |
| ANQ | ANGOLA | IN |
| ANW | AINSWORTH | NE |
| AOC | ARCO | ID |
| AOH | LIMA | OH |
| AOO | ALTOONA | PA |
| APA | DENVER | CO |
| APC | NAPA | CA |
| APF | NAPLES | FL |
| APN | ALPENA | MI |
| APY | ZAPATA | TX |
| AQO | LLANO | TX |
| AQP | APPLETON | MN |
| AQR | ATOKA | OK |
| AQT | NUIQSUT | AK |
| AQW | NORTH ADAMS | MA |
| ARA | NEW IBERIA | LA |
| ARB | ANN ARBOR | MI |
| ARC | ARCTIC VILLAGE | AK |
| ARG | WALNUT RIDGE | AR |
| ARM | WHARTON | TX |
| ARR | CHICAGO/AURORA | IL |
| ART | WATERTOWN | NY |
| ARV | MINOCQUA-WOODRUFF | WI |
| ARW | BEAUFORT | SC |
| ASD | SLIDELL | LA |
| ASE | ASPEN | CO |
| ASG | SPRINGDALE | AR |
| ASH | NASHUA | NH |
| ASJ | AHOSKIE | NC |
| ASL | MARSHALL | TX |
| ASN | TALLADEGA | AL |
| AST | ASTORIA | OR |
| ASW | WARSAW | IN |
| ASX | ASHLAND | WI |
| ATK | ATQASUK | AK |
| ATL | ATLANTA | GA |
| ATS | ARTESIA | NM |
| ATT | AUSTIN | TX |
| ATW | APPLETON | WI |
| ATY | WATERTOWN | SD |
| AUG | AUGUSTA | ME |
| AUH | AURORA | NE |
| AUM | AUSTIN | MN |
| AUN | AUBURN | CA |
| AUO | AUBURN | AL |
| AUS | AUSTIN | TX |
| AUW | WAUSAU | WI |
| AVC | SOUTH HILL | VA |
| AVK | ALVA | OK |
| AVL | ASHEVILLE | NC |
| AVO | AVON PARK | FL |
| AVP | WILKES-BARRE/SCRANTON | PA |
| AVQ | TUCSON | AZ |
| AVX | AVALON | CA |
| AWG | WASHINGTON | IA |
| AWI | WAINWRIGHT | AK |
| AWM | WEST MEMPHIS | AR |
| AWO | ARLINGTON | WA |
| AXA | ALGONA | IA |
| AXH | HOUSTON | TX |
| AXN | ALEXANDRIA | MN |
| AXQ | CLARION | PA |
| AXS | ALTUS | OK |
| AXV | WAPAKONETA | OH |
| AXX | ANGEL FIRE | NM |
| AYS | WAYCROSS | GA |
| AYX | TULLAHOMA | TN |
| AZC | COLORADO CITY | AZ |
| AZE | HAZLEHURST | GA |
| AZK | EUREKA | AK |
| AZO | KALAMAZOO | MI |
| BAF | WESTFIELD/SPRINGFIELD | MA |
| BAK | COLUMBUS | IN |
| BAM | BATTLE MOUNTAIN | NV |
| BAX | BAD AXE | MI |
| BAZ | NEW BRAUNFELS | TX |
| BBB | BENSON | MN |
| BBD | BRADY | TX |
| BBG | BRANSON | MO |
| BBP | BENNETTSVILLE | SC |
| BBW | BROKEN BOW | NE |
| BCB | BLACKSBURG | VA |
| BCE | BRYCE CANYON | UT |
| BCK | BLACK RIVER FALLS | WI |
| BCT | BOCA RATON | FL |
| BCV | BIRCHWOOD | AK |
| BDE | BAUDETTE | MN |
| BDG | BLANDING | UT |
| BDH | WILLMAR | MN |
| BDL | WINDSOR LOCKS | CT |
| BDN | BEND | OR |
| BDR | BRIDGEPORT | CT |
| BDU | BOULDER | CO |
| BEA | BEEVILLE | TX |
| BED | BEDFORD | MA |
| BEH | BENTON HARBOR | MI |
| BFD | BRADFORD | PA |
| BFF | SCOTTSBLUFF | NE |
| BFI | SEATTLE | WA |
| BFL | BAKERSFIELD | CA |
| BFM | MOBILE | AL |
| BFR | BEDFORD | IN |
| BFW | SILVER BAY | MN |
| BGD | BORGER | TX |
| BGE | BAINBRIDGE | GA |
| BGF | WINCHESTER | TN |
| BGM | BINGHAMTON | NY |
| BGR | BANGOR | ME |
| BHB | BAR HARBOR | ME |
| BHK | BAKER | MT |
| BHM | BIRMINGHAM | AL |
| BID | BLOCK ISLAND | RI |
| BIE | BEATRICE | NE |
| BIG | DELTA JUNCTION FT GREELY | AK |
| BIH | BISHOP | CA |
| BIJ | BLAKELY | GA |
| BIL | BILLINGS | MT |
| BIS | BISMARCK | ND |
| BIV | HOLLAND | MI |
| BJC | DENVER | CO |
| BJI | BEMIDJI | MN |
| BJJ | WOOSTER | OH |
| BKD | BRECKENRIDGE | TX |
| BKE | BAKER CITY | OR |
| BKL | CLEVELAND | OH |
| BKN | BLACKWELL | OK |
| BKS | FALFURRIAS | TX |
| BKV | BROOKSVILLE | FL |
| BKW | BECKLEY | WV |
| BKX | BROOKINGS | SD |
| BLF | BLUEFIELD | WV |
| BLH | BLYTHE | CA |
| BLI | BELLINGHAM | WA |
| BLM | BELMAR/FARMINGDALE | NJ |
| BLU | EMIGRANT GAP | CA |
| BMC | BRIGHAM CITY | UT |
| BMG | BLOOMINGTON | IN |
| BMI | BLOOMINGTON/NORMAL | IL |
| BML | BERLIN | NH |
| BMQ | BURNET | TX |
| BMT | BEAUMONT | TX |
| BNA | NASHVILLE | TN |
| BNL | BARNWELL | SC |
| BNO | BURNS | OR |
| BNW | BOONE | IA |
| BOI | BOISE | ID |
| BOK | BROOKINGS | OR |
| BOS | BOSTON | MA |
| BOW | BARTOW | FL |
| BPC | PAMPA | TX |
| BPG | BIG SPRING | TX |
| BPI | BIG PINEY | WY |
| BPK | MOUNTAIN HOME | AR |
| BPP | BOWMAN | ND |
| BPT | BEAUMONT/PORT ARTHUR | TX |
| BQK | BRUNSWICK | GA |
| BQN | AGUADILLA | PR |
| BQP | BASTROP | LA |
| BRD | BRAINERD | MN |
| BRL | BURLINGTON | IA |
| BRO | BROWNSVILLE | TX |
| BRW | BARROW | AK |
| BRY | BARDSTOWN | KY |
| BTI | BARTER ISLAND LRRS | AK |
| BTL | BATTLE CREEK | MI |
| BTM | BUTTE | MT |
| BTN | BRITTON | SD |
| BTP | BUTLER | PA |
| BTR | BATON ROUGE | LA |
| BTT | BETTLES | AK |
| BTV | BURLINGTON | VT |
| BUF | BUFFALO | NY |
| BUR | BURBANK | CA |
| BUU | BURLINGTON | WI |
| BUY | BURLINGTON | NC |
| BVI | BEAVER FALLS | PA |
| BVK | BUCKLAND | AK |
| BVN | ALBION | NE |
| BVO | BARTLESVILLE | OK |
| BVS | BURLINGTON/MOUNT VERNON | WA |
| BVU | BOULDER CITY | NV |
| BVX | BATESVILLE | AR |
| BVY | BEVERLY | MA |
| BWD | BROWNWOOD | TX |
| BWG | BOWLING GREEN | KY |
| BWI | BALTIMORE | MD |
| BWP | WAHPETON | ND |
| BXA | BOGALUSA | LA |
| BXK | BUCKEYE | AZ |
| BYG | BUFFALO | WY |
| BYI | BURLEY | ID |
| BYY | BAY CITY | TX |
| BZN | BOZEMAN | MT |
| C04 | HART/SHELBY | MI |
| C09 | MORRIS | IL |
| C29 | MIDDLETON | WI |
| C62 | KENDALLVILLE | IN |
| C75 | LACON | IL |
| C80 | COALINGA | CA |
| C83 | BYRON | CA |
| CAD | CADILLAC | MI |
| CAE | COLUMBIA | SC |
| CAG | CRAIG | CO |
| CAK | AKRON | OH |
| CAO | CLAYTON | NM |
| CAR | CARIBOU | ME |
| CAV | CLARION | IA |
| CBE | CUMBERLAND | MD |
| CBF | COUNCIL BLUFFS | IA |
| CBG | CAMBRIDGE | MN |
| CBK | COLBY | KS |
| CCA | CLINTON | AR |
| CCO | ATLANTA | GA |
| CCR | CONCORD | CA |
| CCU | COPPER MOUNTAIN | CO |
| CCY | CHARLES CITY | IA |
| CDB | COLD BAY | AK |
| CDC | CEDAR CITY | UT |
| CDD | CRANE LAKE | MN |
| CDH | CAMDEN | AR |
| CDI | CAMBRIDGE | OH |
| CDN | CAMDEN | SC |
| CDR | CHADRON | NE |
| CDS | CHILDRESS | TX |
| CDV | CORDOVA | AK |
| CDW | CALDWELL | NJ |
| CEC | CRESCENT CITY | CA |
| CEU | CLEMSON | SC |
| CEV | CONNERSVILLE | IN |
| CEW | CRESTVIEW | FL |
| CEY | MURRAY | KY |
| CEZ | CORTEZ | CO |
| CFE | BUFFALO | MN |
| CFS | CARO | MI |
| CFT | CLIFTON/MORENCI | AZ |
| CFV | COFFEYVILLE | KS |
| CGC | CRYSTAL RIVER | FL |
| CGE | CAMBRIDGE | MD |
| CGF | HIGHLAND | OH |
| CGI | CAPE GIRARDEAU | MO |
| CGS | COLLEGE PARK | MD |
| CGZ | CASA GRANDE | AZ |
| CHA | CHATTANOOGA | TN |
| CHD | CHANDLER | AZ |
| CHK | CHICKASHA | OK |
| CHO | CHARLOTTESVILLE | VA |
| CHS | CHARLESTON | SC |
| CHT | CHILLICOTHE | MO |
| CIC | CHICO | CA |
| CID | CEDAR RAPIDS | IA |
| CIN | CARROLL | IA |
| CIR | CAIRO | IL |
| CIU | SAULT STE MARIE | MI |
| CJR | CULPEPER | VA |
| CKB | CLARKSBURG | WV |
| CKC | GRAND MARAIS | MN |
| CKF | CORDELE | GA |
| CKI | KINGSTREE | SC |
| CKM | CLARKSDALE | MS |
| CKN | CROOKSTON | MN |
| CKP | CHEROKEE | IA |
| CKV | CLARKSVILLE | TN |
| CKZ | PERKASIE | PA |
| CLE | CLEVELAND | OH |
| CLI | CLINTONVILLE | WI |
| CLK | CLINTON | OK |
| CLL | COLLEGE STATION | TX |
| CLM | PORT ANGELES | WA |
| CLS | CHEHALIS | WA |
| CLT | CHARLOTTE | NC |
| CMA | CAMARILLO | CA |
| CMH | COLUMBUS | OH |
| CMI | CHAMPAIGN/URBANA | IL |
| CMR | WILLIAMS | AZ |
| CMX | HANCOCK | MI |
| CMY | SPARTA | WI |
| CNB | CANBY | MN |
| CNC | CHARITON | IA |
| CNK | CONCORDIA | KS |
| CNM | CARLSBAD | NM |
| CNO | CHINO | CA |
| CNU | CHANUTE | KS |
| CNW | WACO | TX |
| CNY | MOAB | UT |
| CO9 | ELLICOTT | CO |
| COD | CODY | WY |
| COE | COEUR D'ALENE | ID |
| COI | MERRITT ISLAND | FL |
| COM | COLEMAN | TX |
| CON | CONCORD | NH |
| COQ | CLOQUET | MN |
| COS | COLORADO SPRINGS | CO |
| COT | COTULLA | TX |
| COU | COLUMBIA | MO |
| CPC | WHITEVILLE | NC |
| CPK | NORFOLK | VA |
| CPR | CASPER | WY |
| CPS | CAHOKIA/ST LOUIS | IL |
| CPT | CLEBURNE | TX |
| CPU | SAN ANDREAS | CA |
| CPW | WOLF CREEK PASS | CO |
| CQB | CHANDLER | OK |
| CQC | CLINES CORNERS | NM |
| CQM | COOK | MN |
| CQW | CHERAW | SC |
| CQX | CHATHAM | MA |
| CRE | NORTH MYRTLE BEACH | SC |
| CRG | JACKSONVILLE | FL |
| CRP | CORPUS CHRISTI | TX |
| CRQ | CARLSBAD | CA |
| CRS | CORSICANA | TX |
| CRV | CORONA PASS | CO |
| CRW | CHARLESTON | WV |
| CRX | CORINTH | MS |
| CSG | COLUMBUS | GA |
| CSM | CLINTON | OK |
| CSQ | CRESTON | IA |
| CSV | CROSSVILLE | TN |
| CTB | CUT BANK | MT |
| CTJ | CARROLLTON | GA |
| CTK | CANTON | IL |
| CTZ | CLINTON | NC |
| CUB | COLUMBIA | SC |
| CUL | CARMI | IL |
| CUT | CUSTER | SD |
| CVB | CASTROVILLE | TX |
| CVG | COVINGTON | KY |
| CVH | HOLLISTER | CA |
| CVN | CLOVIS | NM |
| CVO | CORVALLIS | OR |
| CVX | CHARLEVOIX | MI |
| CWA | MOSINEE | WI |
| CWC | WICHITA FALLS | TX |
| CWF | LAKE CHARLES | LA |
| CWI | CLINTON | IA |
| CWV | CLAXTON | GA |
| CXO | HOUSTON | TX |
| CXP | CARSON CITY | NV |
| CXY | HARRISBURG | PA |
| CYS | CHEYENNE | WY |
| CZF | CAPE ROMANZOF | AK |
| CZG | ENDICOTT | NY |
| CZL | CALHOUN | GA |
| D07 | FAITH | SD |
| D38 | CANANDAIGUA | NY |
| D39 | SAUK CENTRE | MN |
| D50 | CROSBY | ND |
| D55 | LANGDON | ND |
| D60 | TIOGA | ND |
| D68 | SPRINGERVILLE | AZ |
| D76 | NOORVIK | AK |
| DAB | DAYTONA BEACH | FL |
| DAG | DAGGETT | CA |
| DAL | DALLAS | TX |
| DAN | DANVILLE | VA |
| DAW | ROCHESTER | NH |
| DAY | DAYTON | OH |
| DBN | DUBLIN | GA |
| DBQ | DUBUQUE | IA |
| DCA | WASHINGTON | DC |
| DCM | CHESTER | SC |
| DCU | DECATUR | AL |
| DDC | DODGE CITY | KS |
| DDH | BENNINGTON | VT |
| DEC | DECATUR | IL |
| DED | DELAND | FL |
| DEE | DEERING | AK |
| DEH | DECORAH | IA |
| DEN | DENVER | CO |
| DEQ | DE QUEEN | AR |
| DET | DETROIT | MI |
| DEW | DEER PARK | WA |
| DFI | DEFIANCE | OH |
| DFW | DALLAS-FORT WORTH | TX |
| DGW | DOUGLAS | WY |
| DHN | DOTHAN | AL |
| DHT | DALHART | TX |
| DIJ | DRIGGS | ID |
| DIK | DICKINSON | ND |
| DKB | DE KALB | IL |
| DKK | DUNKIRK | NY |
| DKR | CROCKETT | TX |
| DKX | KNOXVILLE | TN |
| DLG | DILLINGHAM | AK |
| DLH | DULUTH | MN |
| DLL | BARABOO | WI |
| DLN | DILLON | MT |
| DLO | DELANO | CA |
| DLS | THE DALLES | OR |
| DLZ | DELAWARE | OH |
| DMN | DEMING | NM |
| DMO | SEDALIA | MO |
| DMW | WESTMINSTER | MD |
| DNL | AUGUSTA | GA |
| DNN | DALTON | GA |
| DNS | DENISON | IA |
| DNV | DANVILLE | IL |
| DPA | CHICAGO/WEST CHICAGO | IL |
| DPL | KENANSVILLE | NC |
| DQH | DOUGLAS | GA |
| DRI | DE RIDDER | LA |
| DRM | DRUMMOND ISLAND | MI |
| DRO | DURANGO | CO |
| DRT | DEL RIO | TX |
| DSM | DES MOINES | IA |
| DSV | DANSVILLE | NY |
| DTA | DELTA | UT |
| DTL | DETROIT LAKES | MN |
| DTN | SHREVEPORT | LA |
| DTO | DENTON | TX |
| DTS | DESTIN | FL |
| DTW | DETROIT | MI |
| DUA | DURANT | OK |
| DUC | DUNCAN | OK |
| DUG | DOUGLAS BISBEE | AZ |
| DUH | LAMBERTVILLE | MI |
| DUJ | DUBOIS | PA |
| DUT | UNALASKA | AK |
| DUX | DUMAS | TX |
| DVK | DANVILLE | KY |
| DVL | DEVILS LAKE | ND |
| DVN | DAVENPORT | IA |
| DVO | NOVATO | CA |
| DVP | SLAYTON | MN |
| DVT | PHOENIX | AZ |
| DWA | DAVIS/WOODLAND/WINTERS | CA |
| DWH | HOUSTON | TX |
| DWU | ASHLAND | KY |
| DWX | DIXON | WY |
| DXR | DANBURY | CT |
| DXX | MADISON | MN |
| DYA | DEMOPOLIS | AL |
| DYB | SUMMERVILLE | SC |
| DYL | DOYLESTOWN | PA |
| DYR | DYERSBURG | TN |
| DYT | DULUTH | MN |
| DZB | HORSESHOE BAY | TX |
| DZJ | BLAIRSVILLE | GA |
| E16 | SAN MARTIN | CA |
| E25 | WICKENBURG | AZ |
| E38 | ALPINE | TX |
| E77 | SAN MANUEL | AZ |
| E80 | BELEN | NM |
| E95 | BENSON | AZ |
| EAA | EAGLE | AK |
| EAR | KEARNEY | NE |
| EAT | WENATCHEE | WA |
| EAU | EAU CLAIRE | WI |
| EBG | EDINBURG | TX |
| EBS | WEBSTER CITY | IA |
| ECG | ELIZABETH CITY | NC |
| ECP | PANAMA CITY | FL |
| ECS | NEWCASTLE | WY |
| ECU | ROCKSPRINGS | TX |
| EDC | AUSTIN | TX |
| EDE | EDENTON | NC |
| EDJ | BELLEFONTAINE | OH |
| EDU | DAVIS | CA |
| EED | NEEDLES | CA |
| EEN | KEENE | NH |
| EEO | MEEKER | CO |
| EET | ALABASTER | AL |
| EFK | NEWPORT | VT |
| EFT | MONROE | WI |
| EGE | EAGLE | CO |
| EGT | WELLINGTON | KS |
| EGV | EAGLE RIVER | WI |
| EHA | ELKHART | KS |
| EHM | CAPE NEWENHAM | AK |
| EHO | SHELBY | NC |
| EHR | HENDERSON | KY |
| EHY | ELK MOUNTAIN | WY |
| EII | EGEGIK | AK |
| EIK | ERIE | CO |
| EKM | ELKHART | IN |
| EKN | ELKINS | WV |
| EKO | ELKO | NV |
| EKQ | MONTICELLO | KY |
| EKX | ELIZABETHTOWN | KY |
| EKY | BESSEMER | AL |
| ELD | EL DORADO | AR |
| ELK | ELK CITY | OK |
| ELM | ELMIRA/CORNING | NY |
| ELN | ELLENSBURG | WA |
| ELO | ELY | MN |
| ELP | EL PASO | TX |
| ELY | ELY | NV |
| ELZ | WELLSVILLE | NY |
| EMM | KEMMERER | WY |
| EMP | EMPORIA | KS |
| EMV | EMPORIA | VA |
| ENA | KENAI | AK |
| ENL | CENTRALIA | IL |
| ENV | WENDOVER | UT |
| ENW | KENOSHA | WI |
| EOD | FORT CAMPBELL(CLARKSVILLE) | TN |
| EOE | NEWBERRY | SC |
| EOK | KEOKUK | IA |
| EOS | NEOSHO | MO |
| EPH | EPHRATA | WA |
| EQY | MONROE | NC |
| ERI | ERIE | PA |
| ERV | KERRVILLE | TX |
| ERY | NEWBERRY | MI |
| ESC | ESCANABA | MI |
| ESF | ALEXANDRIA | LA |
| ESN | EASTON | MD |
| EST | ESTHERVILLE | IA |
| ETB | WEST BEND | WI |
| ETC | TARBORO | NC |
| ETH | WHEATON | MN |
| EUG | EUGENE | OR |
| EUL | CALDWELL | ID |
| EVB | NEW SMYRNA BEACH | FL |
| EVM | EVELETH | MN |
| EVU | MARYVILLE | MO |
| EVV | EVANSVILLE | IN |
| EVW | EVANSTON | WY |
| EVY | MIDDLETOWN | DE |
| EWB | NEW BEDFORD | MA |
| EWK | NEWTON | KS |
| EWN | NEW BERN | NC |
| EWR | NEWARK LIBERTY INTL ARPT | NJ |
| EXX | LEXINGTON | NC |
| EYE | INDIANAPOLIS | IN |
| EYF | ELIZABETHTOWN | NC |
| EYW | KEY WEST | FL |
| EZF | FREDERICKSBURG | VA |
| EZM | EASTMAN | GA |
| EZS | SHAWANO | WI |
| F05 | VERNON | TX |
| F12 | HENDERSON | TX |
| F24 | MINDEN | LA |
| F45 | WEST PALM BEACH | FL |
| F70 | MURRIETA/TEMECULA | CA |
| FAM | FARMINGTON | MO |
| FAR | FARGO | ND |
| FAT | FRESNO | CA |
| FAY | FAYETTEVILLE | NC |
| FBK | FAIRBANKS/FT WAINWRIGHT | AK |
| FBL | FARIBAULT | MN |
| FBR | FORT BRIDGER | WY |
| FCH | FRESNO | CA |
| FCI | RICHMOND | VA |
| FCM | MINNEAPOLIS | MN |
| FCT | YAKIMA | WA |
| FDK | FREDERICK | MD |
| FDR | FREDERICK | OK |
| FDW | WINNSBORO | SC |
| FDY | FINDLAY | OH |
| FEP | FREEPORT | IL |
| FET | FREMONT | NE |
| FFA | KILL DEVIL HILLS | NC |
| FFC | ATLANTA | GA |
| FFL | FAIRFIELD | IA |
| FFM | FERGUS FALLS | MN |
| FFT | FRANKFORT | KY |
| FFX | FREMONT | MI |
| FGN | FLAG ISLAND | MN |
| FGU | COLLEGEDALE | TN |
| FGX | FLEMINGSBURG | KY |
| FHR | FRIDAY HARBOR | WA |
| FHU | FORT HUACHUCA SIERRA VISTA | AZ |
| FIG | CLEARFIELD | PA |
| FIT | FITCHBURG | MA |
| FKA | PRESTON | MN |
| FKL | FRANKLIN | PA |
| FKN | FRANKLIN | VA |
| FKR | FRANKFORT | IN |
| FKS | FRANKFORT | MI |
| FLD | FOND DU LAC | WI |
| FLG | FLAGSTAFF | AZ |
| FLL | FORT LAUDERDALE | FL |
| FLO | FLORENCE | SC |
| FLP | FLIPPIN | AR |
| FLY | COLORADO SPRINGS | CO |
| FMM | FORT MORGAN | CO |
| FMN | FARMINGTON | NM |
| FMY | FORT MYERS | FL |
| FNB | FALLS CITY | NE |
| FNL | FORT COLLINS/LOVELAND | CO |
| FNT | FLINT | MI |
| FOA | FLORA | IL |
| FOD | FORT DODGE | IA |
| FOE | TOPEKA | KS |
| FOK | WESTHAMPTON BEACH | NY |
| FOM | FILLMORE | UT |
| FOT | FORTUNA | CA |
| FOZ | BIGFORK | MN |
| FPK | CHARLOTTE | MI |
| FPR | FORT PIERCE | FL |
| FQD | RUTHERFORDTON | NC |
| FRG | FARMINGDALE | NY |
| FRH | FRENCH LICK | IN |
| FRI | FORT RILEY(JUNCTION CITY) | KS |
| FRM | FAIRMONT | MN |
| FRN | FORT RICHARDSON(ANCHORAGE) | AK |
| FSD | SIOUX FALLS | SD |
| FSE | FOSSTON | MN |
| FSK | FORT SCOTT | KS |
| FSM | FORT SMITH | AR |
| FSO | HIGHGATE | VT |
| FSP | NIKOLAI | AK |
| FST | FORT STOCKTON | TX |
| FSW | FORT MADISON | IA |
| FTG | DENVER | CO |
| FTN | CARRIZO SPRINGS | TX |
| FTW | FORT WORTH | TX |
| FTY | ATLANTA | GA |
| FUL | FULLERTON | CA |
| FVE | FRENCHVILLE | ME |
| FVX | FARMVILLE | VA |
| FWA | FORT WAYNE | IN |
| FWB | BRANSON WEST | MO |
| FWC | FAIRFIELD | IL |
| FWN | SUSSEX | NJ |
| FWQ | MONONGAHELA | PA |
| FWS | FORT WORTH | TX |
| FWZ | SOUTH PASS | WY |
| FXE | FORT LAUDERDALE | FL |
| FXY | FOREST CITY | IA |
| FYE | SOMERVILLE | TN |
| FYJ | WEST POINT | VA |
| FYM | FAYETTEVILLE | TN |
| FYU | FORT YUKON | AK |
| FYV | FAYETTEVILLE | AR |
| FZG | FITZGERALD | GA |
| FZI | FOSTORIA | OH |
| FZY | FULTON | NY |
| GAD | GADSDEN | AL |
| GAF | GRAFTON | ND |
| GAG | GAGE | OK |
| GAI | GAITHERSBURG | MD |
| GAL | GALENA | AK |
| GAO | GALLIANO | LA |
| GAS | GALLIPOLIS | OH |
| GBD | GREAT BEND | KS |
| GBG | GALESBURG | IL |
| GCC | GILLETTE | WY |
| GCD | JOHN DAY | OR |
| GCK | GARDEN CITY | KS |
| GCM | CLAREMORE | OK |
| GCN | GRAND CANYON | AZ |
| GCY | GREENEVILLE | TN |
| GDB | GRANITE FALLS | MN |
| GDJ | GRANBURY | TX |
| GDV | GLENDIVE | MT |
| GED | GEORGETOWN | DE |
| GEG | SPOKANE | WA |
| GEU | GLENDALE | AZ |
| GEV | JEFFERSON | NC |
| GEY | GREYBULL | WY |
| GEZ | SHELBYVILLE | IN |
| GFK | GRAND FORKS | ND |
| GFL | GLENS FALLS | NY |
| GGE | GEORGETOWN | SC |
| GGG | LONGVIEW | TX |
| GGI | GRINNELL | IA |
| GGW | GLASGOW | MT |
| GHG | MARSHFIELD | MA |
| GHW | GLENWOOD | MN |
| GIC | GRANGEVILLE | ID |
| GIF | WINTER HAVEN | FL |
| GJT | GRAND JUNCTION | CO |
| GKJ | MEADVILLE | PA |
| GKN | GULKANA | AK |
| GKT | SEVIERVILLE | TN |
| GKY | ARLINGTON | TX |
| GLD | GOODLAND | KS |
| GLE | GAINESVILLE | TX |
| GLH | GREENVILLE | MS |
| GLR | GAYLORD | MI |
| GLS | GALVESTON | TX |
| GLW | GLASGOW | KY |
| GLY | CLINTON | MO |
| GMJ | GROVE | OK |
| GMU | GREENVILLE | SC |
| GNB | GRANBY | CO |
| GNC | SEMINOLE | TX |
| GNF | GRENADA | MS |
| GNT | GRANTS | NM |
| GNV | GAINESVILLE | FL |
| GOK | GUTHRIE | OK |
| GON | GROTON (NEW LONDON) | CT |
| GOO | GRASS VALLEY | CA |
| GOP | GATESVILLE | TX |
| GOV | GRAYLING | MI |
| GPI | KALISPELL | MT |
| GPM | GRAND PRAIRIE | TX |
| GPT | GULFPORT | MS |
| GPZ | GRAND RAPIDS | MN |
| GRB | GREEN BAY | WI |
| GRD | GREENWOOD | SC |
| GRE | GREENVILLE | IL |
| GRI | GRAND ISLAND | NE |
| GRR | GRAND RAPIDS | MI |
| GSH | GOSHEN | IN |
| GSO | GREENSBORO | NC |
| GSP | GREER | SC |
| GTF | GREAT FALLS | MT |
| GTR | COLUMBUS/W PT/STARKVILLE | MS |
| GTU | GEORGETOWN | TX |
| GUC | GUNNISON | CO |
| GUP | GALLUP | NM |
| GUY | GUYMON | OK |
| GVL | GAINESVILLE | GA |
| GVQ | BATAVIA | NY |
| GVT | GREENVILLE | TX |
| GWB | AUBURN | IN |
| GWO | GREENWOOD | MS |
| GWR | GWINNER | ND |
| GWW | GOLDSBORO | NC |
| GXA | PALMDALE | CA |
| GXY | GREELEY | CO |
| GYB | GIDDINGS | TX |
| GYH | GREENVILLE | SC |
| GYI | SHERMAN/DENISON | TX |
| GYL | GLENCOE | MN |
| GYY | GARY | IN |
| GZH | EVERGREEN | AL |
| GZL | STIGLER | OK |
| GZS | PULASKI | TN |
| H21 | CAMDENTON | MO |
| HAE | HANNIBAL | MO |
| HAF | HALF MOON BAY | CA |
| HAI | THREE RIVERS | MI |
| HAO | HAMILTON | OH |
| HBG | HATTIESBURG | MS |
| HBI | ASHEBORO | NC |
| HBR | HOBART | OK |
| HBV | HEBBRONVILLE | TX |
| HCA | HOLY CROSS | AK |
| HCD | HUTCHINSON | MN |
| HCO | HALLOCK | MN |
| HDC | HAMMOND | LA |
| HDE | HOLDREGE | NE |
| HDN | HAYDEN | CO |
| HDO | HONDO | TX |
| HEF | MANASSAS | VA |
| HEG | JACKSONVILLE | FL |
| HEI | HETTINGER | ND |
| HEQ | HOLYOKE | CO |
| HEZ | NATCHEZ | MS |
| HFD | HARTFORD | CT |
| HFJ | MONETT | MO |
| HFY | INDIANAPOLIS | IN |
| HGR | HAGERSTOWN | MD |
| HHF | CANADIAN | TX |
| HHR | HAWTHORNE | CA |
| HHW | HUGO | OK |
| HIB | HIBBING | MN |
| HIE | WHITEFIELD | NH |
| HII | LAKE HAVASU CITY | AZ |
| HIO | PORTLAND - HILLSBORO | OR |
| HJH | HEBRON | NE |
| HJO | HANFORD | CA |
| HKA | BLYTHEVILLE | AR |
| HKS | JACKSON | MS |
| HKY | HICKORY | NC |
| HLA | HUSLIA | AK |
| HLB | BATESVILLE | IN |
| HLC | HILL CITY | KS |
| HLG | WHEELING | WV |
| HLN | HELENA | MT |
| HLX | GALAX HILLSVILLE | VA |
| HMT | HEMET | CA |
| HMZ | BEDFORD | PA |
| HNB | HUNTINGBURG | IN |
| HND | LAS VEGAS | NV |
| HNH | HOONAH | AK |
| HNL | HONOLULU | HI |
| HNM | HANA | HI |
| HNR | HARLAN | IA |
| HNS | HAINES | AK |
| HNZ | OXFORD | NC |
| HOB | HOBBS | NM |
| HOC | HILLSBORO | OH |
| HOE | HOMERVILLE | GA |
| HON | HURON | SD |
| HOT | HOT SPRINGS | AR |
| HOU | HOUSTON | TX |
| HPB | HOOPER BAY | AK |
| HPN | WHITE PLAINS | NY |
| HPT | HAMPTON | IA |
| HQG | HUGOTON | KS |
| HQM | HOQUIAM | WA |
| HQU | THOMSON | GA |
| HQZ | MESQUITE | TX |
| HRI | HERMISTON | OR |
| HRJ | ERWIN | NC |
| HRL | HARLINGEN | TX |
| HRO | HARRISON | AR |
| HRX | HEREFORD | TX |
| HSA | BAY ST LOUIS | MS |
| HSB | HARRISBURG | IL |
| HSE | HATTERAS | NC |
| HSI | HASTINGS | NE |
| HSP | HOT SPRINGS | VA |
| HSV | HUNTSVILLE | AL |
| HTH | HAWTHORNE | NV |
| HTL | HOUGHTON LAKE | MI |
| HTS | HUNTINGTON | WV |
| HUF | TERRE HAUTE | IN |
| HUL | HOULTON | ME |
| HUM | HOUMA | LA |
| HUT | HUTCHINSON | KS |
| HVC | HOPKINSVILLE | KY |
| HVE | HANKSVILLE | UT |
| HVN | NEW HAVEN | CT |
| HVR | HAVRE | MT |
| HVS | HARTSVILLE | SC |
| HWD | HAYWARD | CA |
| HWO | HOLLYWOOD | FL |
| HWV | SHIRLEY | NY |
| HWY | WARRENTON | VA |
| HXD | HILTON HEAD ISLAND | SC |
| HYA | HYANNIS | MA |
| HYG | HYDABURG | AK |
| HYI | SAN MARCOS | TX |
| HYR | HAYWARD | WI |
| HYS | HAYS | KS |
| HYW | CONWAY | SC |
| HYX | SAGINAW | MI |
| HZD | HUNTINGDON | TN |
| HZE | HAZEN | ND |
| HZL | HAZLETON | PA |
| HZX | MC GREGOR | MN |
| HZY | ASHTABULA | OH |
| I12 | SIDNEY | OH |
| I16 | PINEVILLE | WV |
| I18 | RAVENSWOOD | WV |
| I19 | DAYTON | OH |
| I35 | HARLAN | KY |
| I39 | RICHMOND | KY |
| I40 | COSHOCTON | OH |
| I43 | JACKSON | OH |
| I66 | WILMINGTON | OH |
| I68 | LEBANON | OH |
| I74 | URBANA | OH |
| I75 | OSCEOLA | IA |
| IAD | WASHINGTON | DC |
| IAG | NIAGARA FALLS | NY |
| IAH | HOUSTON | TX |
| IAN | KIANA | AK |
| IBM | KIMBALL | NE |
| ICL | CLARINDA | IA |
| ICR | WINNER | SD |
| ICT | WICHITA | KS |
| IDA | IDAHO FALLS | ID |
| IDI | INDIANA | PA |
| IDP | INDEPENDENCE | KS |
| IEN | PINE RIDGE | SD |
| IER | NATCHITOCHES | LA |
| IFA | IOWA FALLS | IA |
| IFP | BULLHEAD CITY | AZ |
| IGG | IGIUGIG | AK |
| IGM | KINGMAN | AZ |
| IGQ | CHICAGO | IL |
| IGX | CHAPEL HILL | NC |
| IIB | INDEPENDENCE | IA |
| IIK | KIPNUK | AK |
| IIY | WASHINGTON | GA |
| IJD | WILLIMANTIC | CT |
| IJX | JACKSONVILLE | IL |
| IKG | KINGSVILLE | TX |
| IKK | KANKAKEE | IL |
| IKV | ANKENY | IA |
| IKW | MIDLAND | MI |
| ILE | KILLEEN | TX |
| ILG | WILMINGTON | DE |
| ILL | WILLMAR | MN |
| ILM | WILMINGTON | NC |
| ILN | WILMINGTON | OH |
| IML | IMPERIAL | NE |
| IMM | IMMOKALEE | FL |
| IMS | MADISON | IN |
| IMT | IRON MOUNTAIN KINGSFORD | MI |
| IND | INDIANAPOLIS | IN |
| INJ | HILLSBORO | TX |
| INK | WINK | TX |
| INL | INTERNATIONAL FALLS | MN |
| INR | MCKINLEY PARK | AK |
| INS | INDIAN SPRINGS | NV |
| INT | WINSTON SALEM | NC |
| INW | WINSLOW | AZ |
| IOB | MOUNT STERLING | KY |
| IOW | IOWA CITY | IA |
| IPJ | LINCOLNTON | NC |
| IPL | IMPERIAL | CA |
| IPT | WILLIAMSPORT | PA |
| IRK | KIRKSVILLE | MO |
| IRS | STURGIS | MI |
| ISM | ORLANDO | FL |
| ISN | WILLISTON | ND |
| ISO | KINSTON | NC |
| ISP | ISLIP | NY |
| ISQ | MANISTIQUE | MI |
| ISW | WISCONSIN RAPIDS | WI |
| ISZ | CINCINNATI | OH |
| ITH | ITHACA | NY |
| ITO | HILO | HI |
| ITR | BURLINGTON | CO |
| IWA | PHOENIX | AZ |
| IWD | IRONWOOD | MI |
| IWI | WISCASSET | ME |
| IWK | WALES | AK |
| IXA | ROANOKE RAPIDS | NC |
| IXD | OLATHE | KS |
| IYS | WASILLA | AK |
| IZA | SANTA YNEZ | CA |
| IZG | FRYEBURG | ME |
| JAC | JACKSON | WY |
| JAN | JACKSON | MS |
| JAS | JASPER | TX |
| JAU | JACKSBORO | TN |
| JAX | JACKSONVILLE | FL |
| JBR | JONESBORO | AR |
| JCT | JUNCTION | TX |
| JDD | MINEOLA/QUITMAN | TX |
| JEF | JEFFERSON CITY | MO |
| JER | JEROME | ID |
| JES | JESUP | GA |
| JFK | NEW YORK | NY |
| JFX | JASPER | AL |
| JGG | WILLIAMSBURG | VA |
| JHM | LAHAINA | HI |
| JHW | JAMESTOWN | NY |
| JKA | GULF SHORES | AL |
| JKJ | MOORHEAD | MN |
| JKL | JACKSON | KY |
| JLN | JOPLIN | MO |
| JMR | MORA | MN |
| JMS | JAMESTOWN | ND |
| JNU | JUNEAU | AK |
| JNX | SMITHFIELD | NC |
| JOT | JOLIET | IL |
| JQF | CONCORD | NC |
| JRB | NEW YORK | NY |
| JRF | KAPOLEI | HI |
| JSO | JACKSONVILLE | TX |
| JST | JOHNSTOWN | PA |
| JSV | SALLISAW | OK |
| JSY | JOSEPH | OR |
| JVL | JANESVILLE | WI |
| JVW | RAYMOND | MS |
| JVY | JEFFERSONVILLE | IN |
| JWG | WATONGA | OK |
| JWN | NASHVILLE | TN |
| JWY | MIDLOTHIAN/WAXAHACHIE | TX |
| JXI | GILMER | TX |
| JXN | JACKSON | MI |
| JYG | ST JAMES | MN |
| JYL | SYLVANIA | GA |
| JYM | HILLSDALE | MI |
| JYO | LEESBURG | VA |
| JYR | YORK | NE |
| JZI | CHARLESTON | SC |
| JZP | JASPER | GA |
| JZZ | KOLIGANEK | AK |
| K20 | HAZARD | KY |
| K22 | PRESTONSBURG | KY |
| K24 | JAMESTOWN | KY |
| K46 | BLAIR | NE |
| K51 | MEDICINE LODGE | KS |
| K59 | ATCHISON | KS |
| K61 | BELOIT | KS |
| K62 | FALMOUTH | KY |
| K68 | GARNETT | KS |
| K78 | ABILENE | KS |
| K82 | SMITH CENTER | KS |
| K88 | IOLA | KS |
| KAL | KALTAG | AK |
| KKA | KOYUK | AK |
| KLG | KALSKAG | AK |
| KLS | KELSO | WA |
| KNB | KANAB | UT |
| KNW | NEW STUYAHOK | AK |
| KOA | KAILUA/KONA | HI |
| KTN | KETCHIKAN | AK |
| KVC | KING COVE | AK |
| KVL | KIVALINA | AK |
| KY8 | LEWISPORT | KY |
| L08 | BORREGO SPRINGS | CA |
| L35 | BIG BEAR CITY | CA |
| LAA | LAMAR | CO |
| LAF | LAFAYETTE | IN |
| LAL | LAKELAND | FL |
| LAM | LOS ALAMOS | NM |
| LAN | LANSING | MI |
| LAR | LARAMIE | WY |
| LAS | LAS VEGAS | NV |
| LAW | LAWTON | OK |
| LAX | LOS ANGELES | CA |
| LBB | LUBBOCK | TX |
| LBE | LATROBE | PA |
| LBF | NORTH PLATTE | NE |
| LBL | LIBERAL | KS |
| LBO | LEBANON | MO |
| LBR | CLARKSVILLE | TX |
| LBT | LUMBERTON | NC |
| LBX | ANGLETON/LAKE JACKSON | TX |
| LCG | WAYNE | NE |
| LCH | LAKE CHARLES | LA |
| LCI | LACONIA | NH |
| LCK | COLUMBUS | OH |
| LCQ | LAKE CITY | FL |
| LDJ | LINDEN | NJ |
| LDM | LUDINGTON | MI |
| LEB | LEBANON | NH |
| LEE | LEESBURG | FL |
| LEW | AUBURN/LEWISTON | ME |
| LEX | LEXINGTON | KY |
| LFK | LUFKIN | TX |
| LFT | LAFAYETTE | LA |
| LGA | NEW YORK | NY |
| LGB | LONG BEACH | CA |
| LGC | LAGRANGE | GA |
| LGD | LA GRANDE | OR |
| LGF | YUMA PROVING GROUND(YUMA) | AZ |
| LGU | LOGAN | UT |
| LHB | HEARNE | TX |
| LHD | ANCHORAGE | AK |
| LHM | LINCOLN | CA |
| LHQ | LANCASTER | OH |
| LHX | LA JUNTA | CO |
| LHZ | LOUISBURG | NC |
| LIC | LIMON | CO |
| LIH | LIHUE | HI |
| LIT | LITTLE ROCK | AR |
| LJF | LITCHFIELD | MN |
| LKR | LANCASTER | SC |
| LKU | LOUISA | VA |
| LKV | LAKEVIEW | OR |
| LLJ | CHALLIS | ID |
| LLQ | MONTICELLO | AR |
| LLR | LITTLE RIVER | CA |
| LMO | LONGMONT | CO |
| LMT | KLAMATH FALLS | OR |
| LNA | WEST PALM BEACH | FL |
| LNC | LANCASTER | TX |
| LND | LANDER | WY |
| LNK | LINCOLN | NE |
| LNL | LAND O' LAKES | WI |
| LNP | WISE | VA |
| LNR | LONE ROCK | WI |
| LNS | LANCASTER | PA |
| LNY | LANAI CITY | HI |
| LOM | PHILADELPHIA | PA |
| LOT | CHICAGO/ROMEOVILLE | IL |
| LOU | LOUISVILLE | KY |
| LOZ | LONDON | KY |
| LPC | LOMPOC | CA |
| LPR | LORAIN/ELYRIA | OH |
| LQK | PICKENS | SC |
| LQR | LARNED | KS |
| LRD | LAREDO | TX |
| LRJ | LE MARS | IA |
| LRO | MOUNT PLEASANT | SC |
| LRU | LAS CRUCES | NM |
| LRY | HARRISONVILLE | MO |
| LSE | LA CROSSE | WI |
| LSK | LUSK | WY |
| LSN | LOS BANOS | CA |
| LUA | LURAY | VA |
| LUD | DECATUR | TX |
| LUF | GLENDALE | AZ |
| LUG | LEWISBURG | TN |
| LUK | CINCINNATI | OH |
| LUL | LAUREL | MS |
| LUM | MENOMONIE | WI |
| LUR | CAPE LISBURNE | AK |
| LUX | LAURENS | SC |
| LVJ | HOUSTON | TX |
| LVK | LIVERMORE | CA |
| LVM | LIVINGSTON | MT |
| LVN | MINNEAPOLIS | MN |
| LVS | LAS VEGAS | NM |
| LWA | SOUTH HAVEN | MI |
| LWB | LEWISBURG | WV |
| LWC | LAWRENCE | KS |
| LWD | LAMONI | IA |
| LWM | LAWRENCE | MA |
| LWS | LEWISTON | ID |
| LWT | LEWISTOWN | MT |
| LWV | LAWRENCEVILLE | IL |
| LWY | LEWISTOWN | MT |
| LXL | LITTLE FALLS | MN |
| LXN | LEXINGTON | NE |
| LXT | LEE'S SUMMIT | MO |
| LXV | LEADVILLE | CO |
| LYH | LYNCHBURG | VA |
| LYV | LUVERNE | MN |
| LZD | DANIELSON | CT |
| LZU | LAWRENCEVILLE | GA |
| LZZ | LAMPASAS | TX |
| M01 | MEMPHIS | TN |
| M02 | DICKSON | TN |
| M04 | COVINGTON | TN |
| M08 | BOLIVAR | TN |
| M16 | RAYMOND | MS |
| M19 | NEWPORT | AR |
| M21 | GREENVILLE | KY |
| M25 | MAYFIELD | KY |
| M30 | METROPOLIS | IL |
| M33 | GALLATIN | TN |
| M34 | GILBERTSVILLE | KY |
| M39 | MENA | AR |
| M40 | ABERDEEN/AMORY | MS |
| M52 | LEXINGTON | TN |
| M54 | LEBANON | TN |
| M58 | MONETT | MO |
| M75 | MALTA | MT |
| M89 | ARKADELPHIA | AR |
| M91 | SPRINGFIELD | TN |
| MAE | MADERA | CA |
| MAF | MIDLAND | TX |
| MAI | MARIANNA | FL |
| MAN | NAMPA | ID |
| MAO | MARION | SC |
| MAW | MALDEN | MO |
| MBA | MANOKOTAK | AK |
| MBG | MOBRIDGE | SD |
| MBL | MANISTEE | MI |
| MBO | MADISON | MS |
| MBS | SAGINAW | MI |
| MBT | MURFREESBORO | TN |
| MBY | MOBERLY | MO |
| MCB | MC COMB | MS |
| MCC | SACRAMENTO | CA |
| MCD | MACKINAC ISLAND | MI |
| MCE | MERCED | CA |
| MCG | MCGRATH | AK |
| MCI | KANSAS CITY | MO |
| MCK | MC COOK | NE |
| MCN | MACON | GA |
| MCO | ORLANDO | FL |
| MCW | MASON CITY | IA |
| MDD | MIDLAND | TX |
| MDH | CARBONDALE/MURPHYSBORO | IL |
| MDM | MARSHALL | AK |
| MDO | MIDDLETON ISLAND | AK |
| MDQ | HUNTSVILLE | AL |
| MDS | MADISON | SD |
| MDT | HARRISBURG | PA |
| MDW | CHICAGO | IL |
| MDZ | MEDFORD | WI |
| MEB | MAXTON | NC |
| MEI | MERIDIAN | MS |
| MEJ | MEADE | KS |
| MEM | MEMPHIS | TN |
| MER | MERCED | CA |
| MEV | MINDEN | NV |
| MEZ | MENA | AR |
| MFD | MANSFIELD | OH |
| MFE | MC ALLEN | TX |
| MFI | MARSHFIELD | WI |
| MFR | MEDFORD | OR |
| MFV | MELFA | VA |
| MGC | MICHIGAN CITY | IN |
| MGG | MAPLE LAKE | MN |
| MGJ | MONTGOMERY | NY |
| MGM | MONTGOMERY | AL |
| MGN | HARBOR SPRINGS | MI |
| MGR | MOULTRIE | GA |
| MGW | MORGANTOWN | WV |
| MGY | DAYTON | OH |
| MHE | MITCHELL | SD |
| MHK | MANHATTAN | KS |
| MHL | MARSHALL | MO |
| MHR | SACRAMENTO | CA |
| MHS | MOUNT SHASTA | CA |
| MHT | MANCHESTER | NH |
| MHV | MOJAVE | CA |
| MIA | MIAMI | FL |
| MIC | MINNEAPOLIS | MN |
| MIE | MUNCIE | IN |
| MIV | MILLVILLE | NJ |
| MIW | MARSHALLTOWN | IA |
| MJD | PICAYUNE | MS |
| MJQ | JACKSON | MN |
| MJX | TOMS RIVER | NJ |
| MKC | KANSAS CITY | MO |
| MKE | MILWAUKEE | WI |
| MKG | MUSKEGON | MI |
| MKJ | MARION/WYTHEVILLE | VA |
| MKK | KAUNAKAKAI | HI |
| MKL | JACKSON | TN |
| MKN | COMANCHE | TX |
| MKO | MUSKOGEE | OK |
| MKS | MONCKS CORNER | SC |
| MKT | MANKATO | MN |
| MKY | MARCO ISLAND | FL |
| MLB | MELBOURNE | FL |
| MLC | MC ALESTER | OK |
| MLE | OMAHA | NE |
| MLF | MILFORD | UT |
| MLI | MOLINE | IL |
| MLJ | MILLEDGEVILLE | GA |
| MLP | MULLAN PASS | ID |
| MLS | MILES CITY | MT |
| MLT | MILLINOCKET | ME |
| MLU | MONROE | LA |
| MMH | MAMMOTH LAKES | CA |
| MMI | ATHENS | TN |
| MMK | MERIDEN | CT |
| MML | MARSHALL | MN |
| MMU | MORRISTOWN | NJ |
| MMV | MC MINNVILLE | OR |
| MNH | MONUMENT HILL | CO |
| MNI | MANNING | SC |
| MNM | MENOMINEE | MI |
| MNN | MARION | OH |
| MNV | MADISONVILLE | TN |
| MNZ | HAMILTON | TX |
| MO6 | WASHINGTON | MO |
| MOB | MOBILE | AL |
| MOD | MODESTO | CA |
| MOP | MOUNT PLEASANT | MI |
| MOR | MORRISTOWN | TN |
| MOT | MINOT | ND |
| MOU | MOUNTAIN VILLAGE | AK |
| MOX | MORRIS | MN |
| MPE | PHILADELPHIA | MS |
| MPG | MOUNDSVILLE | WV |
| MPI | MARIPOSA | CA |
| MPM | MAIN PASS 299 | LA |
| MPO | MOUNT POCONO | PA |
| MPR | MC PHERSON | KS |
| MPV | BARRE/MONTPELIER | VT |
| MPZ | MOUNT PLEASANT | IA |
| MQB | MACOMB | IL |
| MQI | MANTEO | NC |
| MQJ | INDIANAPOLIS | IN |
| MQS | COATESVILLE | PA |
| MQY | SMYRNA | TN |
| MRB | MARTINSBURG | WV |
| MRC | COLUMBIA/MOUNT PLEASANT | TN |
| MRF | MARFA | TX |
| MRH | BEAUFORT | NC |
| MRI | ANCHORAGE | AK |
| MRJ | MINERAL POINT | WI |
| MRN | MORGANTON | NC |
| MRT | MARYSVILLE | OH |
| MRY | MONTEREY | CA |
| MSL | MUSCLE SHOALS | AL |
| MSN | MADISON | WI |
| MSO | MISSOULA | MT |
| MSP | MINNEAPOLIS | MN |
| MSS | MASSENA | NY |
| MSV | MONTICELLO | NY |
| MSY | NEW ORLEANS | LA |
| MTH | MARATHON | FL |
| MTJ | MONTROSE | CO |
| MTN | BALTIMORE | MD |
| MTO | MATTOON/CHARLESTON | IL |
| MTV | MARTINSVILLE | VA |
| MTW | MANITOWOC | WI |
| MUE | KAMUELA | HI |
| MUI | FORT INDIANTOWN GAP(ANNVILLE) | PA |
| MUT | MUSCATINE | IA |
| MVE | MONTEVIDEO | MN |
| MVL | MORRISVILLE | VT |
| MVM | MACHIAS | ME |
| MVN | MOUNT VERNON | IL |
| MVY | VINEYARD HAVEN | MA |
| MWA | MARION | IL |
| MWC | MILWAUKEE | WI |
| MWH | MOSES LAKE | WA |
| MWK | MOUNT AIRY | NC |
| MWL | MINERAL WELLS | TX |
| MWM | WINDOM | MN |
| MWO | MIDDLETOWN | OH |
| MXO | MONTICELLO | IA |
| MYF | SAN DIEGO | CA |
| MYJ | MEXICO | MO |
| MYL | MC CALL | ID |
| MYP | MONARCH PASS | CO |
| MYR | MYRTLE BEACH | SC |
| MYU | MEKORYUK | AK |
| MYV | MARYSVILLE | CA |
| MZH | MOOSE LAKE | MN |
| MZJ | MARANA | AZ |
| MZZ | MARION | IN |
| N03 | CORTLAND | NY |
| N23 | SIDNEY | NY |
| N27 | TOWANDA | PA |
| N44 | MOUNT PLEASANT | NC |
| N66 | ONEONTA | NY |
| N79 | SHAMOKIN | PA |
| N93 | GOLOVIN | AK |
| NEW | NEW ORLEANS | LA |
| NLC | LEMOORE | CA |
| NQA | MILLINGTON | TN |
| NRN | NORTON | KS |
| NUQ | MOUNTAIN VIEW | CA |
| NVD | NEVADA | MO |
| O05 | CHESTER | CA |
| O16 | GARBERVILLE | CA |
| O22 | COLUMBIA | CA |
| O26 | LONE PINE | CA |
| O32 | REEDLEY | CA |
| O54 | WEAVERVILLE | CA |
| O57 | BRIDGEPORT | CA |
| O69 | PETALUMA | CA |
| O70 | JACKSON | CA |
| O88 | RIO VISTA | CA |
| OAJ | JACKSONVILLE | NC |
| OAK | OAKLAND | CA |
| OAR | MARINA | CA |
| OBE | OKEECHOBEE | FL |
| OBI | WOODBINE | NJ |
| OCF | OCALA | FL |
| OCH | NACOGDOCHES | TX |
| OCW | WASHINGTON | NC |
| ODO | ODESSA | TX |
| ODX | ORD | NE |
| OEB | COLDWATER | MI |
| OEL | OAKLEY | KS |
| OEO | OSCEOLA | WI |
| OFK | NORFOLK | NE |
| OFP | RICHMOND/ASHLAND | VA |
| OGA | OGALLALA | NE |
| OGB | ORANGEBURG | SC |
| OGD | OGDEN | UT |
| OGG | KAHULUI | HI |
| OGS | OGDENSBURG | NY |
| OIC | NORWICH | NY |
| OIN | OBERLIN | KS |
| OJA | WEATHERFORD | OK |
| OJC | OLATHE | KS |
| OKB | OCEANSIDE | CA |
| OKC | OKLAHOMA CITY | OK |
| OKH | OAK HARBOR | WA |
| OKK | KOKOMO | IN |
| OKM | OKMULGEE | OK |
| OKV | WINCHESTER | VA |
| OKZ | SANDERSVILLE | GA |
| OLE | OLEAN | NY |
| OLF | WOLF POINT | MT |
| OLM | OLYMPIA | WA |
| OLS | NOGALES | AZ |
| OLU | COLUMBUS | NE |
| OLV | OLIVE BRANCH | MS |
| OLY | OLNEY-NOBLE | IL |
| OLZ | OELWEIN | IA |
| OMA | OMAHA | NE |
| OME | NOME | AK |
| OMH | ORANGE | VA |
| OMK | OMAK | WA |
| OMN | ORMOND BEACH | FL |
| ONA | WINONA | MN |
| ONL | O'NEILL | NE |
| ONM | SOCORRO | NM |
| ONO | ONTARIO | OR |
| ONP | NEWPORT | OR |
| ONT | ONTARIO | CA |
| ONX | CURRITUCK | NC |
| ONZ | DETROIT/GROSSE ILE | MI |
| OOA | OSKALOOSA | IA |
| OOH | HOONAH | AK |
| OOK | TOKSOOK BAY | AK |
| OPF | MIAMI - OPA LOCKA ARPT | FL |
| OPN | THOMASTON | GA |
| OQN | WEST CHESTER | PA |
| ORB | ORR | MN |
| ORC | ORANGE CITY | IA |
| ORD | CHICAGO | IL |
| ORE | ORANGE | MA |
| ORF | NORFOLK | VA |
| ORG | ORANGE | TX |
| ORH | WORCESTER | MA |
| ORL | ORLANDO | FL |
| ORS | EASTSOUND | WA |
| ORT | NORTHWAY | AK |
| OSA | MOUNT PLEASANT | TX |
| OSC | OSCODA | MI |
| OSH | OSHKOSH | WI |
| OSU | COLUMBUS | OH |
| OTG | WORTHINGTON | MN |
| OTH | NORTH BEND | OR |
| OTM | OTTUMWA | IA |
| OTZ | KOTZEBUE | AK |
| OUL | NELSON LAGOON | AK |
| OUN | NORMAN | OK |
| OVE | OROVILLE | CA |
| OVL | OLIVIA | MN |
| OVO | NORTH VERNON | IN |
| OVS | BOSCOBEL | WI |
| OWA | OWATONNA | MN |
| OWB | OWENSBORO | KY |
| OWD | NORWOOD | MA |
| OWP | SAND SPRINGS | OK |
| OWX | OTTAWA | OH |
| OXB | OCEAN CITY | MD |
| OXC | OXFORD | CT |
| OXD | OXFORD | OH |
| OXI | KNOX | IN |
| OXR | OXNARD | CA |
| OXV | KNOXVILLE | IA |
| OYM | ST MARYS | PA |
| OZA | OZONA | TX |
| OZW | HOWELL | MI |
| P13 | GLOBE | AZ |
| P20 | PARKER | AZ |
| PAE | EVERETT | WA |
| PAH | PADUCAH | KY |
| PAN | PAYSON | AZ |
| PAQ | PALMER | AK |
| PBF | PINE BLUFF | AR |
| PBG | PLATTSBURGH | NY |
| PBH | PHILLIPS | WI |
| PBI | WEST PALM BEACH | FL |
| PBV | ST GEORGE | AK |
| PBX | PIKEVILLE | KY |
| PCM | PLANT CITY | FL |
| PCW | PORT CLINTON | OH |
| PCZ | WAUPACA | WI |
| PDC | PRAIRIE DU CHIEN | WI |
| PDK | ATLANTA | GA |
| PDT | PENDLETON | OR |
| PDX | PORTLAND | OR |
| PEA | PELLA | IA |
| PEO | PENN YAN | NY |
| PEQ | PECOS | TX |
| PEX | PAYNESVILLE | MN |
| PEZ | PLEASANTON | TX |
| PFN | PANAMA CITY | FL |
| PGA | PAGE | AZ |
| PGD | PUNTA GORDA | FL |
| PGV | GREENVILLE | NC |
| PHD | NEW PHILADELPHIA | OH |
| PHF | NEWPORT NEWS | VA |
| PHG | PHILLIPSBURG | KS |
| PHL | PHILADELPHIA | PA |
| PHN | PORT HURON | MI |
| PHP | PHILIP | SD |
| PHT | PARIS | TN |
| PHX | PHOENIX | AZ |
| PIA | PEORIA | IL |
| PIB | HATTIESBURG/LAUREL | MS |
| PIE | ST PETERSBURG-CLEARWATER | FL |
| PIH | POCATELLO | ID |
| PIL | PORT ISABEL | TX |
| PIR | PIERRE | SD |
| PIT | PITTSBURGH | PA |
| PIZ | POINT LAY | AK |
| PJC | ZELIENOPLE | PA |
| PKB | PARKERSBURG | WV |
| PKD | PARK RAPIDS | MN |
| PKV | PORT LAVACA | TX |
| PLB | PLATTSBURGH | NY |
| PLD | PORTLAND | IN |
| PLN | PELLSTON | MI |
| PLR | PELL CITY | AL |
| PLU | PUYALLUP | WA |
| PMD | PALMDALE | CA |
| PMH | PORTSMOUTH | OH |
| PMP | POMPANO BEACH | FL |
| PMU | BATESVILLE | MS |
| PMV | PLATTSMOUTH | NE |
| PNA | PINEDALE | WY |
| PNC | PONCA CITY | OK |
| PNE | PHILADELPHIA | PA |
| PNM | PRINCETON | MN |
| PNP | PILOT POINT | AK |
| PNS | PENSACOLA | FL |
| PNT | PONTIAC | IL |
| PO1 | POPLAR | MT |
| POF | POPLAR BLUFF | MO |
| POR | PORTAGE GLACIER VISITOR CTR | AK |
| POU | POUGHKEEPSIE | NY |
| POY | POWELL | WY |
| PPA | PAMPA | TX |
| PPF | PARSONS | KS |
| PPO | LA PORTE | IN |
| PPQ | PITTSFIELD | IL |
| PQI | PRESQUE ISLE | ME |
| PQL | PASCAGOULA | MS |
| PQN | PIPESTONE | MN |
| PRB | PASO ROBLES | CA |
| PRC | PRESCOTT | AZ |
| PRG | PARIS | IL |
| PRN | GREENVILLE | AL |
| PRO | PERRY | IA |
| PRX | PARIS | TX |
| PRZ | PORTALES | NM |
| PSB | PHILIPSBURG | PA |
| PSC | PASCO | WA |
| PSF | PITTSFIELD | MA |
| PSG | PETERSBURG | AK |
| PSK | DUBLIN | VA |
| PSN | PALESTINE | TX |
| PSO | PAGOSA SPRINGS | CO |
| PSP | PALM SPRINGS | CA |
| PSX | PALACIOS | TX |
| PTB | PETERSBURG | VA |
| PTD | POTSDAM | NY |
| PTH | PORT HEIDEN | AK |
| PTK | PONTIAC | MI |
| PTN | PATTERSON | LA |
| PTS | PITTSBURG | KS |
| PTT | PRATT | KS |
| PTU | PLATINUM | AK |
| PTV | PORTERVILLE | CA |
| PTW | POTTSTOWN | PA |
| PUB | PUEBLO | CO |
| PUC | PRICE | UT |
| PUJ | DALLAS | GA |
| PUW | PULLMAN/MOSCOW,ID | WA |
| PVB | PLATTEVILLE | WI |
| PVC | PROVINCETOWN | MA |
| PVD | PROVIDENCE | RI |
| PVE | LEXINGTON-PARSONS | TN |
| PVF | PLACERVILLE | CA |
| PVG | NORFOLK | VA |
| PVJ | PAULS VALLEY | OK |
| PVU | PROVO | UT |
| PVW | PLAINVIEW | TX |
| PWA | OKLAHOMA CITY | OK |
| PWC | PINE RIVER | MN |
| PWD | PLENTYWOOD | MT |
| PWG | WACO | TX |
| PWK | CHICAGO/PROSPECT HGTS/WHEELING | IL |
| PWM | PORTLAND | ME |
| PWT | BREMERTON | WA |
| PXE | PERRY | GA |
| PYM | PLYMOUTH | MA |
| PYN | PIEDMONT | MO |
| PYX | PERRYTON | TX |
| PZQ | ROGERS CITY | MI |
| RAC | RACINE | WI |
| RAL | RIVERSIDE | CA |
| RAP | RAPID CITY | SD |
| RAS | PORT ARANSAS | TX |
| RAW | WARSAW | MO |
| RBD | DALLAS | TX |
| RBG | ROSEBURG | OR |
| RBL | RED BLUFF | CA |
| RBO | ROBSTOWN | TX |
| RBW | WALTERBORO | SC |
| RBY | RUBY | AK |
| RCE | OKLAHOMA CITY | OK |
| RCM | WARRENSBURG | MO |
| RCR | ROCHESTER | IN |
| RCX | LADYSMITH | WI |
| RCZ | ROCKINGHAM | NC |
| RDD | REDDING | CA |
| RDG | READING | PA |
| RDK | RED OAK | IA |
| RDM | REDMOND | OR |
| RDU | RALEIGH/DURHAM | NC |
| REI | REDLANDS | CA |
| RFD | CHICAGO/ROCKFORD | IL |
| RGK | RED WING | MN |
| RHI | RHINELANDER | WI |
| RHP | ANDREWS | NC |
| RIC | RICHMOND | VA |
| RID | RICHMOND | IN |
| RIF | RICHFIELD | UT |
| RIL | RIFLE | CO |
| RIW | RIVERTON | WY |
| RJD | RIDGELY | MD |
| RKD | ROCKLAND | ME |
| RKP | ROCKPORT | TX |
| RKR | POTEAU | OK |
| RKS | ROCK SPRINGS | WY |
| RKW | ROCKWOOD | TN |
| RLD | RICHLAND | WA |
| RME | ROME | NY |
| RMG | ROME | GA |
| RMN | STAFFORD | VA |
| RMY | MARSHALL | MI |
| RNC | MC MINNVILLE | TN |
| RNH | NEW RICHMOND | WI |
| RNM | RAMONA | CA |
| RNO | RENO | NV |
| RNP | OWOSSO | MI |
| RNT | RENTON | WA |
| RNV | CLEVELAND | MS |
| ROA | ROANOKE | VA |
| ROC | ROCHESTER | NY |
| ROG | ROGERS | AR |
| ROS | RUSH CITY | MN |
| ROW | ROSWELL | NM |
| ROX | ROSEAU | MN |
| RPD | RICE LAKE | WI |
| RPH | GRAHAM | TX |
| RPJ | ROCHELLE | IL |
| RQB | BIG RAPIDS | MI |
| RQE | WINDOW ROCK | AZ |
| RQO | EL RENO | OK |
| RRL | MERRILL | WI |
| RRT | WARROAD | MN |
| RSH | RUSSIAN MISSION | AK |
| RSL | RUSSELL | KS |
| RSN | RUSTON | LA |
| RST | ROCHESTER | MN |
| RSV | ROBINSON | IL |
| RSW | FORT MYERS | FL |
| RTN | RATON | NM |
| RUE | RUSSELLVILLE | AR |
| RUG | RUGBY | ND |
| RUQ | SALISBURY | NC |
| RUT | RUTLAND | VT |
| RVL | REEDSVILLE | PA |
| RVS | TULSA | OK |
| RWF | REDWOOD FALLS | MN |
| RWI | ROCKY MOUNT | NC |
| RWL | RAWLINS | WY |
| RWV | CALDWELL | TX |
| RXE | REXBURG | ID |
| RYM | CAMP RIPLEY | MN |
| RYN | TUCSON | AZ |
| RYV | WATERTOWN | WI |
| RYW | LAGO VISTA | TX |
| RYY | ATLANTA | GA |
| RZL | RENSSELAER | IN |
| RZN | SIREN | WI |
| RZT | CHILLICOTHE | OH |
| RZZ | ROANOKE RAPIDS | NC |
| S03 | ASHLAND | OR |
| S24 | FREMONT | OH |
| S25 | WATFORD CITY | ND |
| S32 | COOPERSTOWN | ND |
| S52 | WINTHROP | WA |
| S59 | LIBBY | MT |
| S71 | CHINOOK | MT |
| SAA | SARATOGA | WY |
| SAC | SACRAMENTO | CA |
| SAD | SAFFORD | AZ |
| SAF | SANTA FE | NM |
| SAN | SAN DIEGO | CA |
| SAR | SPARTA | IL |
| SAT | SAN ANTONIO | TX |
| SAV | SAVANNAH | GA |
| SAW | MARQUETTE | MI |
| SAZ | STAPLES | MN |
| SBA | SANTA BARBARA | CA |
| SBD | SAN BERNARDINO | CA |
| SBM | SHEBOYGAN | WI |
| SBN | SOUTH BEND | IN |
| SBO | SWAINSBORO | GA |
| SBP | SAN LUIS OBISPO | CA |
| SBS | STEAMBOAT SPRINGS | CO |
| SBY | SALISBURY | MD |
| SCC | DEADHORSE | AK |
| SCD | SYLACAUGA | AL |
| SCH | SCHENECTADY | NY |
| SCK | STOCKTON | CA |
| SCM | SCAMMON BAY | AK |
| SCX | ONEIDA | TN |
| SDA | SHENANDOAH | IA |
| SDB | SANDBERG | CA |
| SDC | WILLIAMSON/SODUS | NY |
| SDF | LOUISVILLE | KY |
| SDL | SCOTTSDALE | AZ |
| SDM | SAN DIEGO | CA |
| SDY | SIDNEY | MT |
| SEA | SEATTLE | WA |
| SEE | SAN DIEGO/EL CAJON | CA |
| SEF | SEBRING | FL |
| SEG | SELINSGROVE | PA |
| SEP | STEPHENVILLE | TX |
| SER | SEYMOUR | IN |
| SET | ST CHARLES | MO |
| SEZ | SEDONA | AZ |
| SFB | ORLANDO | FL |
| SFF | SPOKANE -FELTS FIELD | WA |
| SFM | SANFORD | ME |
| SFO | SAN FRANCISCO | CA |
| SFQ | SUFFOLK | VA |
| SFY | SAVANNA | IL |
| SFZ | PAWTUCKET | RI |
| SGF | SPRINGFIELD | MO |
| SGJ | ST AUGUSTINE | FL |
| SGR | HOUSTON | TX |
| SGS | SOUTH ST PAUL | MN |
| SGT | STUTTGART | AR |
| SGU | ST GEORGE | UT |
| SGY | SKAGWAY | AK |
| SHD | STAUNTON/WAYNESB/HARRISONB | VA |
| SHG | SHUNGNAK | AK |
| SHL | SHELDON | IA |
| SHN | SHELTON | WA |
| SHR | SHERIDAN | WY |
| SHV | SHREVEPORT | LA |
| SIF | REIDSVILLE | NC |
| SIK | SIKESTON | MO |
| SIY | MONTAGUE | CA |
| SJC | SAN JOSE | CA |
| SJN | ST JOHNS | AZ |
| SJT | SAN ANGELO | TX |
| SJU | SAN JUAN | PR |
| SJX | BEAVER ISLAND | MI |
| SKX | TAOS | NM |
| SLB | STORM LAKE | IA |
| SLC | SALT LAKE CITY | UT |
| SLE | SALEM | OR |
| SLG | SILOAM SPRINGS | AR |
| SLH | CHEBOYGAN | MI |
| SLK | SARANAC LAKE | NY |
| SLN | SALINA | KS |
| SLO | SALEM | IL |
| SLQ | SLEETMUTE | AK |
| SLR | SULPHUR SPRINGS | TX |
| SMD | FORT WAYNE | IN |
| SME | SOMERSET | KY |
| SMF | SACRAMENTO | CA |
| SMK | ST MICHAEL | AK |
| SMN | SALMON | ID |
| SMO | SANTA MONICA | CA |
| SMP | STAMPEDE PASS | WA |
| SMQ | SOMERVILLE | NJ |
| SMS | SUMTER | SC |
| SMX | SANTA MARIA | CA |
| SNA | SANTA ANA | CA |
| SNC | CHESTER | CT |
| SNH | SAVANNAH | TN |
| SNK | SNYDER | TX |
| SNL | SHAWNEE | OK |
| SNP | ST PAUL ISLAND | AK |
| SNS | SALINAS | CA |
| SNY | SIDNEY | NE |
| SOA | SONORA | TX |
| SOP | PINEHURST/SOUTHERN PINES | NC |
| SOV | SELDOVIA | AK |
| SOW | SHOW LOW | AZ |
| SPA | SPARTANBURG | SC |
| SPB | SCAPPOOSE | OR |
| SPF | SPEARFISH | SD |
| SPG | ST PETERSBURG | FL |
| SPI | SPRINGFIELD | IL |
| SPL | SOUTH PADRE ISLAND | TX |
| SPS | WICHITA FALLS | TX |
| SPW | SPENCER | IA |
| SPZ | SILVER SPRINGS | NV |
| SQI | STERLING/ROCKFALLS | IL |
| SQL | SAN CARLOS | CA |
| SRB | SPARTA | TN |
| SRC | SEARCY | AR |
| SRE | SEMINOLE | OK |
| SRQ | SARASOTA/BRADENTON | FL |
| SRR | RUIDOSO | NM |
| SSF | SAN ANTONIO | TX |
| SSI | BRUNSWICK | GA |
| STC | ST CLOUD | MN |
| STE | STEVENS POINT | WI |
| STF | STARKVILLE | MS |
| STJ | ST JOSEPH | MO |
| STK | STERLING | CO |
| STL | ST LOUIS | MO |
| STP | ST PAUL | MN |
| STS | SANTA ROSA | CA |
| STT | CHARLOTTE AMALIE | VI |
| STX | CHRISTIANSTED | VI |
| SUA | STUART | FL |
| SUE | STURGEON BAY | WI |
| SUN | HAILEY | ID |
| SUS | ST LOUIS | MO |
| SUT | OAK ISLAND | NC |
| SUW | SUPERIOR | WI |
| SUX | SIOUX CITY | IA |
| SVA | SAVOONGA | AK |
| SVC | SILVER CITY | NM |
| SVE | SUSANVILLE | CA |
| SVH | STATESVILLE | NC |
| SVW | SPARREVOHN | AK |
| SWD | SEWARD | AK |
| SWO | STILLWATER | OK |
| SWW | SWEETWATER | TX |
| SXQ | SOLDOTNA | AK |
| SXT | SEXTON SUMMIT | OR |
| SXU | SANTA ROSA | NM |
| SYA | SHEMYA | AK |
| SYF | ST FRANCIS | KS |
| SYI | SHELBYVILLE | TN |
| SYN | STANTON | MN |
| SYR | SYRACUSE | NY |
| SZT | SANDPOINT | ID |
| SZY | SELMER | TN |
| T65 | WESLACO | TX |
| T70 | SPOFFORD | TX |
| T82 | FREDERICKSBURG | TX |
| TAD | TRINIDAD | CO |
| TAL | TANANA | AK |
| TAN | TAUNTON | MA |
| TAZ | TAYLORVILLE | IL |
| TBN | FORT LEONARD WOOD | MO |
| TBR | STATESBORO | GA |
| TBX | THERMOPOLIS | WY |
| TCC | TUCUMCARI | NM |
| TCL | TUSCALOOSA | AL |
| TCS | TRUTH OR CONSEQUENCES | NM |
| TCY | TRACY | CA |
| TDF | ROXBORO | NC |
| TDZ | TOLEDO | OH |
| TEB | TETERBORO | NJ |
| TER | TELLER | AK |
| TEW | MASON | MI |
| TEX | TELLURIDE | CO |
| TFP | INGLESIDE | TX |
| THA | TULLAHOMA | TN |
| THV | YORK | PA |
| TIF | THEDFORD | NE |
| TIP | RANTOUL | IL |
| TIW | TACOMA | WA |
| TKA | TALKEETNA | AK |
| TKC | TRACY | MN |
| TKI | MC KINNEY | TX |
| TKV | TOMAHAWK | WI |
| TLH | TALLAHASSEE | FL |
| TLJ | TAKOTNA | AK |
| TLR | TULARE | CA |
| TMA | TIFTON | GA |
| TMB | MIAMI | FL |
| TME | HOUSTON | TX |
| TMK | TILLAMOOK | OR |
| TMT | AUSTIN | NV |
| TNB | BOONE | NC |
| TNP | TWENTYNINE PALMS | CA |
| TNT | MIAMI | FL |
| TNU | NEWTON | IA |
| TOB | DODGE CENTER | MN |
| TOC | TOCCOA | GA |
| TOI | TROY | AL |
| TOL | TOLEDO | OH |
| TOP | TOPEKA | KS |
| TOR | TORRINGTON | WY |
| TPA | TAMPA | FL |
| TPF | TAMPA | FL |
| TPH | TONOPAH | NV |
| TPL | TEMPLE | TX |
| TQE | TEKAMAH | NE |
| TQH | TAHLEQUAH | OK |
| TQK | SCOTT CITY | KS |
| TRI | BRISTOL/JOHNSON/KINGSPORT | TN |
| TRK | TRUCKEE | CA |
| TRL | TERRELL | TX |
| TRM | PALM SPRINGS | CA |
| TSP | TEHACHAPI | CA |
| TTA | SANFORD | NC |
| TTD | PORTLAND | OR |
| TTF | MONROE | MI |
| TTN | TRENTON | NJ |
| TUL | TULSA | OK |
| TUP | TUPELO | MS |
| TUS | TUCSON | AZ |
| TVC | TRAVERSE CITY | MI |
| TVF | THIEF RIVER FALLS | MN |
| TVI | THOMASVILLE | GA |
| TVK | CENTERVILLE | IA |
| TVL | SOUTH LAKE TAHOE | CA |
| TVR | TALLULAH/VICKSBURG | LA |
| TVY | TOOELE | UT |
| TWF | TWIN FALLS | ID |
| TWM | TWO HARBORS | MN |
| TWT | STURGIS | KY |
| TXK | TEXARKANA | AR |
| TYL | TAYLOR | AZ |
| TYQ | INDIANAPOLIS | IN |
| TYR | TYLER | TX |
| TYS | KNOXVILLE | TN |
| TZR | COLUMBUS | OH |
| U14 | NEPHI | UT |
| U25 | DUBOIS | WY |
| U42 | SALT LAKE CITY | UT |
| U52 | BEAVER | UT |
| U55 | PANGUITCH | UT |
| U68 | COWLEY/LOVELL/BYRON | WY |
| U76 | MOUNTAIN HOME | ID |
| U96 | HALLS CROSSING | UT |
| UAO | AURORA | OR |
| UBE | CUMBERLAND | WI |
| UCY | UNION CITY | TN |
| UDG | DARLINGTON | SC |
| UES | WAUKESHA | WI |
| UGN | CHICAGO/WAUKEGAN | IL |
| UIL | QUILLAYUTE | WA |
| UIN | QUINCY | IL |
| UKF | NORTH WILKESBORO | NC |
| UKI | UKIAH | CA |
| UKL | BURLINGTON | KS |
| UKT | QUAKERTOWN | PA |
| ULM | NEW ULM | MN |
| ULS | ULYSSES | KS |
| UMP | INDIANAPOLIS | IN |
| UNI | ATHENS/ALBANY | OH |
| UNK | UNALAKLEET | AK |
| UNO | WEST PLAINS | MO |
| UNU | JUNEAU | WI |
| UNV | STATE COLLEGE | PA |
| UOX | OXFORD | MS |
| USW | SPENCER | WV |
| UTA | TUNICA | MS |
| UTO | UTOPIA CREEK | AK |
| UTS | HUNTSVILLE | TX |
| UUU | NEWPORT | RI |
| UUV | SULLIVAN | MO |
| UVA | UVALDE | TX |
| UXL | SULPHUR | LA |
| UZA | ROCK HILL | SC |
| VAK | CHEVAK | AK |
| VAY | MOUNT HOLLY | NJ |
| VBG | LOMPOC | CA |
| VBT | BENTONVILLE | AR |
| VCB | VACAVILLE | CA |
| VCT | VICTORIA | TX |
| VCV | VICTORVILLE | CA |
| VDF | TAMPA | FL |
| VDI | VIDALIA | GA |
| VEL | VERNAL | UT |
| VER | BOONVILLE | MO |
| VES | VERSAILLES | OH |
| VGC | HAMILTON | NY |
| VGT | LAS VEGAS | NV |
| VIH | ROLLA/VICHY | MO |
| VIS | VISALIA | CA |
| VJI | ABINGDON | VA |
| VKX | FRIENDLY | MD |
| VLA | VANDALIA | IL |
| VLD | VALDOSTA | GA |
| VLL | TROY | MI |
| VMR | VERMILLION | SD |
| VNC | VENICE | FL |
| VNW | VAN WERT | OH |
| VNY | VAN NUYS | CA |
| VPC | CARTERSVILLE | GA |
| VPZ | VALPARAISO | IN |
| VQQ | JACKSONVILLE | FL |
| VRB | VERO BEACH | FL |
| VSF | SPRINGFIELD | VT |
| VTA | NEWARK | OH |
| VTI | VINTON | IA |
| VTN | VALENTINE | NE |
| VTP | LA VETA PASS | CO |
| VUJ | ALBEMARLE | NC |
| VUO | VANCOUVER | WA |
| VVV | ORTONVILLE | MN |
| VWU | WASKISH | MN |
| VYS | PERU | IL |
| W22 | BUCKHANNON | WV |
| W29 | STEVENSVILLE | MD |
| W38 | WILLIAMSBURG | KY |
| W43 | HULETT | WY |
| W95 | OCRACOKE | NC |
| W99 | PETERSBURG | WV |
| WAL | WALLOPS ISLAND | VA |
| WDG | ENID | OK |
| WDR | WINDER | GA |
| WJF | LANCASTER | CA |
| WLD | WINFIELD/ARKANSAS CITY | KS |
| WMC | WINNEMUCCA | NV |
| WMO | WHITE MOUNTAIN | AK |
| WRG | WRANGELL | AK |
| WRL | WORLAND | WY |
| WST | WESTERLY | RI |
| WVI | WATSONVILLE | CA |
| WVL | WATERVILLE | ME |
| WWD | WILDWOOD | NJ |
| WWR | WOODWARD | OK |
| WYS | WEST YELLOWSTONE | MT |
| X07 | LAKE WALES | FL |
| X21 | TITUSVILLE | FL |
| X26 | SEBASTIAN | FL |
| X40 | INVERNESS | FL |
| X47 | BUNNELL | FL |
| X51 | HOMESTEAD | FL |
| X59 | VALKARIA | FL |
| X60 | WILLISTON | FL |
| XBP | BRIDGEPORT | TX |
| XFL | PALM COAST | FL |
| XLL | ALLENTOWN | PA |
| XMR | COCOA BEACH | FL |
| XNA | FAYETTEVILLE/SPRINGDALE/ | AR |
| XSA | TAPPAHANNOCK | VA |
| XVG | LONGVILLE | MN |
| Y19 | MANDAN | ND |
| Y50 | WAUTOMA | WI |
| Y51 | VIROQUA | WI |
| Y63 | ELBOW LAKE | MN |
| Y70 | IONIA | MI |
| YAK | YAKUTAT | AK |
| YIP | DETROIT | MI |
| YKM | YAKIMA | WA |
| YKN | YANKTON | SD |
| YNG | YOUNGSTOWN/WARREN | OH |
| ZER | POTTSVILLE | PA |
| ZPH | ZEPHYRHILLS | FL |
| ZZV | ZANESVILLE | OH |