City · Alaska · United States
Willow, AK — ZIP codes
1 ZIP code · Matanuska-Susitna Borough County
- City
- Willow
- County
- Matanuska-Susitna Borough
- State
- Alaska
- Country
- United States
- Postal code
- 99688Single source
- Coordinates
- 61.8966, -150.0038 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 99688 | Willow | Single source |
Sources and verification
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. Last generated : 2026-08-21. Report an error.