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5530 Dunsmuir Ave
Dunsmuir, CA 96025
Dunsmuir, CA 96025
The Dunsmuir Post Office is located in the state of California within Siskiyou County. This location serves 2,310 Dunsmuir residents with a median income of $29,688. It's estimated that approximately 3,687 packages pass through this post office each year.