Petrolia, CA zip code
Petrolia, California uses one zip code: 95558. Most of it is in Humboldt County. Together these zip codes are home to about 230 people.
Zip codes
1
Population
230
All zips combined
Largest zip
95558
230 residents
Zip codes in Petrolia
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 95558 | 230 | $51,719 |