ZIP code · Akiachak · Alaska · United States
ZIP code 99551 — Akiachak
ZIP code 99551 serves Akiachak, Alaska.
- Postal code
- 99551Single source Value from one source, not cross-checked.
- City
- Akiachak
- County
- Bethel Census Area FIPS 02050
- State
- Alaska
- Country
- United States
- Coordinates
- 60.9094, -161.4314 — precision precise (locality)
View on OpenStreetMap - Population
- 629 (ZCTA, ACS 5-year)
- Population density
- 90 / sq mi
- Land area
- 7 sq mi (18.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $33,333
- Per-capita income
- $10,690
- Median age
- 22.6
- Households
- 138
- Housing units
- 155
- Median gross rent
- $817 / month
- 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
- 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 99551 with another ZIP · ZIPs within 25 miles · distance from 99551
Nearby localities
Map of ZIP code 99551
Climate — monthly normals
Warmest month Jul (avg high 64°F), coldest Jan (avg low 1°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 13 | 20 | 22 | 37 | 52 | 62 | 64 | 61 | 53 | 38 | 24 | 16 |
| Avg low °F | 1 | 7 | 7 | 21 | 34 | 45 | 49 | 47 | 39 | 26 | 13 | 4 |
| Precip in | 0.8 | 0.9 | 0.7 | 0.8 | 1.2 | 1.8 | 2.6 | 3.4 | 2.9 | 1.8 | 1.8 | 1.1 |
NOAA 1991–2020 climate normals from the nearest station: BETHEL AP (15.9 mi) · NOAA NCEI
Places in ZIP 99551
- 2 schools
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