ZIP code · Tanana · Alaska · United States
ZIP code 99777 — Tanana
ZIP code 99777 serves Tanana, Alaska.
- Postal code
- 99777Single source Value from one source, not cross-checked.
- City
- Tanana
- County
- Yukon-Koyukuk (CA) FIPS 02290
- State
- Alaska
- Country
- United States
- Coordinates
- 65.1719, -152.0789 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 309 (ZCTA, ACS 5-year)
- Population density
- 37 / sq mi
- Land area
- 8.4 sq mi (21.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $54,167
- Per-capita income
- $32,997
- Median age
- 46
- Households
- 134
- Housing units
- 204
- Median home value
- $63,800
- Median gross rent
- $747 / month
- Congressional district
- AK At-large (119th Congress)
- USDA hardiness zone
- 1b (-55 to -50 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Area code
- 907Telephone 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.
Tools: compare 99777 with another ZIP · ZIPs within 25 miles · distance from 99777
Nearby localities
Map of ZIP code 99777
Climate — monthly normals
Warmest month Jul (avg high 71°F), coldest Jan (avg low -17°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | -1 | 8 | 19 | 39 | 59 | 70 | 71 | 64 | 52 | 31 | 11 | 2 |
| Avg low °F | -17 | -11 | -6 | 16 | 33 | 45 | 49 | 43 | 34 | 17 | -4 | -13 |
| Precip in | 0.4 | 0.4 | 0.2 | 0.3 | 0.6 | 1.5 | 1.9 | 2.7 | 1.7 | 0.7 | 0.6 | 0.4 |
NOAA 1991–2020 climate normals from the nearest station: TANANA CALHOUN MEM AP (0.8 mi) · NOAA NCEI
Places in ZIP 99777
- 1 schools
- 1 libraries
- 1 places of worship
- 1 gas stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
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