Postal reference / United States
99657Russian Mission, Alaska
ZIP code 99657 is a United States postal code for Russian Mission, Alaska. Its county association is Kusilvak County. The map reference point is at 61.7744, -161.3939.
- State / territory
- Alaska
- Recorded place name
- Russian Mission
- County association
- Kusilvak
- Estimated coordinate
- 61.7744, -161.3939
View on OpenStreetMap - ZIP prefix
- 996 · 89 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Area
- Land area
- 706.657 sq mi (2023 Census Gazetteer)
Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.
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ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.
Find ZIP+4Explore Alaska
Browse the other 272 ZIP codes recorded for Alaska, sorted by code with place and county.
Alaska directoryNearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 99585 | Marshall | AK | Kusilvak | 30.4 |
| 99626 | Lower Kalskag | AK | Bethel Census Area | 38.4 |
| 99607 | Kalskag | AK | Bethel Census Area | 38.6 |
| 99679 | Tuluksak | AK | Bethel Census Area | 48.4 |
| 99650 | Pilot Station | AK | Kusilvak | 49.7 |
| 99602 | Holy Cross | AK | Yukon-Koyukuk (CA) | 58.5 |
| 99551 | Akiachak | AK | Bethel Census Area | 59.8 |
| 99552 | Akiak | AK | Bethel Census Area | 59.9 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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