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Post office · Humboldt County, CA

Petrolia Post Office

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40 SHERMAN AVENUE
Humboldt County, CA 95536
Address
40 Sherman Avenue, Petrolia, CA 95536
Opening hours
Not recorded. Please call ahead before visiting.
Coordinates
40.324747, -124.287489

This listing is based on OpenStreetMap data (updated 2026-10-06). Something wrong? Fix it on OpenStreetMap or let us know.

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Petrolia Post Office is located at 40 Sherman Avenue, Petrolia, CA 95536. Use “Get directions” to start a route from where you are.