ZIP Code 95558

Zip Code: 95558
Type: Standard
Official USPS city name: Petrolia
Official USPS State Code: CA
Official State Name: California
ZCTA: TRUE
Population: 416.0
Density: 0.8
Primary Official County Code: 6023
Primary Official County Name: Humboldt
Official County Name: Humboldt
Official County Code: 6023
Imprecise: FALSE
Military: FALSE
Timezone: America/Los_Angeles (02:27 AM Saturday, July 25 2026-07-25 (GMT -0700))
Geo Point: 40.2961, -124.23457

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