Erlinda Knapp (Postmaster)
erlinda.knapp@usps.gov
498 Shelter Cove Rd
Whitethorn, CA 95589
Whitethorn, CA 95589
The Whitethorn Post Office is located in the state of California within Humboldt County. This location serves 1,612 Whitethorn residents with a median income of $41,731. It's estimated that approximately 2,573 packages pass through this post office each year.