Postal reference / United States

99546Adak, Alaska

ZIP code 99546 is a United States postal code for Adak, Alaska. Its county association is Aleutians West (CA) County. The map reference point is at 51.874, -176.634.

State / territory
Alaska
Recorded place name
Adak
County association
Aleutians West (CA)
Estimated coordinate
51.874, -176.634
View on OpenStreetMap
ZIP prefix
995 · 69 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
32.434 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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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
96505FPO AAMilitary—1.1
96506FPO AAMilitary—1.1
99547AtkaAKAleutians West (CA)105.8

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