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Alaska boroughs and census areas

Every borough or census area in Alaska, with the ZIP codes recorded in each. Pick one to see its full ZIP code list.

boroughs and census areas
30
ZIP codes
273

All Alaska boroughs and census areas

30
Every Alaska borough or census area with the number of ZIP codes it holds and the city holding the most of them.
Borough or census area ZIP codes Largest city
Aleutians East Borough 5 Akutan
Aleutians West Census Area 7 Adak
Anchorage Municipality 31 Anchorage
Bethel Census Area 27 Akiachak
Bristol Bay Borough 3 King Salmon
Chugach Census Area 4 Cordova
Copper River Census Area 4 Chitina
Denali Borough 5 Anderson
Dillingham Census Area 7 Aleknagik
Fairbanks North Star Borough 16 Fairbanks
Haines Borough 1 Haines
Hoonah-Angoon Census Area 6 Angoon
Juneau City and Borough 8 Juneau
Kenai Peninsula Borough 15 Anchor Point
Ketchikan Gateway Borough 3 Ketchikan
Kodiak Island Borough 8 Kodiak
Kusilvak Census Area 12 Alakanuk
Lake and Peninsula Borough 12 Chignik
Matanuska-Susitna Borough 12 Wasilla
Nome Census Area 14 Brevig Mission
North Slope Borough 9 Anaktuvuk Pass
Northwest Arctic Borough 11 Ambler
Petersburg Borough 2 Kake
Prince of Wales-Hyder Census Area 10 Coffman Cove
Sitka City and Borough 1 Sitka
Skagway Municipality 1 Skagway
Southeast Fairbanks Census Area 7 Chicken
Wrangell City and Borough 1 Wrangell
Yakutat City and Borough 0 —
Yukon-Koyukuk Census Area 30 Allakaket

Not in a current county-equivalent

1 ZIP code in Alaska is recorded against a jurisdiction the Census Bureau no longer publishes, so it has no borough or census area page to sit under. The recorded name is shown unchanged.

  • 99689 Yakutat — recorded as Skagway-Hoonah-Angoon

Scope every county-equivalent recorded in Alaska. Source Census 2024 county Gazetteer (2024 Gazetteer) and GeoNames US postal codes (2026-07 postal dump). Updated . Names and boundaries follow the Census Bureau's current county-equivalent set, not the AK postal source's older names.