Postal reference / United States

99754Koyukuk, Alaska

ZIP code 99754 is a United States postal code for Koyukuk, Alaska. Its county association is Yukon-Koyukuk (CA) County. The map reference point is at 64.8803, -157.7008.

State / territory
Alaska
Recorded place name
Koyukuk
County association
Yukon-Koyukuk (CA)
Estimated coordinate
64.8803, -157.7008
View on OpenStreetMap
ZIP prefix
997 · 82 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
5.745 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Browse the other 272 ZIP codes recorded for Alaska, sorted by code with place and county.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
99765NulatoAKYukon-Koyukuk (CA)16.2
96510APO AAMilitary—24.6
99741GalenaAKYukon-Koyukuk (CA)24.9
99748KaltagAKYukon-Koyukuk (CA)48.6
99768RubyAKYukon-Koyukuk (CA)65.6
99746HusliaAKYukon-Koyukuk (CA)69.2
99684UnalakleetAKNome (CA)115.1
99770SelawikAKNorthwest Arctic135.9

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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