City · California · United States
Willow Creek, CA — ZIP codes
1 ZIP code · Humboldt County
- City
- Willow Creek
- County
- Humboldt
- State
- California
- Country
- United States
- Postal code
- 95573Single source
- Coordinates
- 40.9484, -123.6276 View on OpenStreetMap
- Area code
- 530
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 95573 | Willow Creek | 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 · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.