Postal reference / United States

99635Nikiski, Alaska

ZIP code 99635 is a United States postal code for Nikiski, Alaska. Its county association is Kenai Peninsula County. The map reference point is at 60.7007, -151.2766.

State / territory
Alaska
Recorded place name
Nikiski
County association
Kenai Peninsula
Estimated coordinate
60.7007, -151.2766
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ZIP prefix
996 · 89 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
4,905.025 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
99611KenaiAKKenai Peninsula6.0
99669SoldotnaAKKenai Peninsula15.9
99672SterlingAKKenai Peninsula19.3
99682TyonekAKKenai Peninsula25.8
99610KasilofAKKenai Peninsula26.6
99568Clam GulchAKKenai Peninsula32.7
99639NinilchikAKKenai Peninsula49.3
99572Cooper LandingAKKenai Peninsula51.7

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

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