ZIP Code 95558
Petrolia · Humboldt, California
95558 is the ZIP code of Petrolia in Humboldt, California, United States.
- ZIP Code
- 95558
- County
- Humboldt
- State
- California
- Country
- United States
Place with ZIP code 95558
| Place | County | Location |
|---|---|---|
| Petrolia | Humboldt | 40.287, -124.227 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 95558?
Petrolia.
Which county and state is 95558 in?
Humboldt, California, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.