ZIP code · Fairbanks · Alaska · United States

ZIP code 99790 — Fairbanks

ZIP code 99790 serves Fairbanks, Alaska.

Postal code
99790
Single source Value from one source, not cross-checked.
City
Fairbanks
County
Fairbanks North Star FIPS 02290
State
Alaska
Country
United States
Coordinates
64.8378, -147.7164 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
11 (ZCTA, ACS 5-year)
Population density
0 / sq mi
Land area
440.6 sq mi (1,141.2 km²) (ZCTA, ACS 5-year)
Per-capita income
$0
Households
7
Housing units
24
Congressional district
AK At-large (119th Congress)
USDA hardiness zone
3b (-35 to -30 °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
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 73°F), coldest Jan (avg low -15°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F0132747637273665534123
Avg low °F-15-9-121374952463518-3-11
Precip in0.60.40.30.30.62.02.62.41.60.80.70.5

NOAA 1991–2020 climate normals from the nearest station: AURORA (1.2 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