ZIP code · Nikiski · Alaska · United States

ZIP code 99635 — Nikiski

ZIP code 99635 serves Nikiski, Alaska.

Postal code
99635
Single source Value from one source, not cross-checked.
City
Nikiski
County
Kenai Peninsula FIPS 02122
State
Alaska
Country
United States
Coordinates
60.7007, -151.2766 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
106 (ZCTA, ACS 5-year)
Population density
0 / sq mi
Land area
4,904.9 sq mi (12,703.7 km²) (ZCTA, ACS 5-year)
Per-capita income
$133,057
Median age
43.2
Households
0
Housing units
54
Congressional district
AK At-large (119th Congress)
USDA hardiness zone
4b (-25 to -20 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Anchorage (UTC−9 / UTC−8 DST)
Area code
907 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Nearby localities

Climate — monthly normals

Warmest month Jul (avg high 63°F), coldest Jan (avg low 8°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F222833445561636255433126
Avg low °F81114273544494739281812

NOAA 1991–2020 climate normals from the nearest station: KENAI 9N (2.7 mi) · NOAA NCEI

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page