ZIP code · South Naknek · Alaska · United States

ZIP code 99670 — South Naknek

ZIP code 99670 serves South Naknek, Alaska.

Postal code
99670
Single source Value from one source, not cross-checked.
City
South Naknek
County
Bristol Bay FIPS 02060
State
Alaska
Country
United States
Coordinates
58.6639, -156.9756 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
66 (ZCTA, ACS 5-year)
Population density
1 / sq mi
Land area
87.4 sq mi (226.4 km²) (ZCTA, ACS 5-year)
Median household income
$51,250
Per-capita income
$35,259
Median age
55
Households
40
Housing units
129
Median home value
$104,200
Median gross rent
$1,083 / month
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.
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 65°F), coldest Jan (avg low 10°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F243032455562656356443226
Avg low °F101515283644494841291811
Precip in0.90.90.81.01.41.82.53.33.42.31.71.4

NOAA 1991–2020 climate normals from the nearest station: KING SALMON (12.5 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