U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Alaska
Borough Name |
County Code |
City and Borough of Juneau |
001 |
Bristol Bay Borough |
002 |
Ketchikan Gateway Borough |
003 |
Municipality of Anchorage |
004 |
City and Borough of Sitka |
005 |
Kenai Peninsula Borough |
006 |
Kodiak Island Borough |
007 |
Matanuska-Susitna Borough |
008 |
Fairbanks North Star Borough |
009 |
Haines Borough |
010 |
North Slope Borough |
011 |
Northwest Arctic Borough |
012 |
Aleutians East Borough |
013 |
Denali Borough |
014 |
Lake and Peninsula Borough |
015 |
City and Borough of Yakutat |
016 |
Municipality of Skagway |
017 |
City and Borough of Wrangel |
018 |
Petersburg |
019 |
Unorganized Borough |
099 |
District of Columbia
County Name |
County Code |
Northwest |
001 |
Northeast |
002 |
Southeast |
003 |
Southwest |
004 |
Boundary |
005 |
Puerto Rico
Highway District |
Municipio Name |
County Code |
San Juan |
Bayamon |
001 |
Canovanas |
||
Carolina |
||
Catano |
||
Guaynabo |
||
Loiza |
||
San Juan |
||
Trujillo Alto |
||
Arecibo |
Arecibo |
002 |
Barceloneta |
||
Ciales |
||
Corozal |
||
Dorado |
||
Florida |
||
Manati |
||
Morovis |
||
Naranjito |
||
Toa Alta |
||
Toa Baja |
||
Utuado |
||
Vega Alta |
||
Vega Baja |
||
Aguadilla |
Aguada |
003 |
Aguadilla |
||
Camuy |
||
Hatillo |
||
Isabela |
||
Lares |
||
Moca |
||
Quebradillas |
||
Rincon |
||
San Sebastian |
||
Mayaguez |
Anasco |
004 |
Cabo Rojo |
||
Guanica |
||
Hormigueros |
||
Lajas |
||
Las Marias |
||
Maricao |
||
Mayaguez |
||
Sabana Grande |
||
San German |
||
Yauco |
||
Ponce |
Adjuntas |
005 |
Coamo |
||
Guayanilla |
||
Jayuya |
||
Juana Diaz |
||
Orocovis |
||
Penuelas |
||
Ponce |
||
Santa Isabel |
||
Villalba |
||
Guayama |
Aguas Buenas |
006 |
Aibonito |
||
Arroyo |
||
Barranquitas |
||
Cayey |
||
Cidra |
||
Comerio |
||
Guayama |
||
Patillas |
||
Salinas |
||
Humucao |
Caguas |
007 |
Ceiba |
||
Culebra |
||
Fajardo |
||
Gurabo |
||
Humacao |
||
Juncos |
||
Las Piedras |
||
Luquillo |
||
Maunabo |
||
Humacao |
||
Rio Grande |
||
San Lorenzo |
||
Vieques |
||
Yabucoa |