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S Lysann Gilley (Postmaster)
sheryl.l.gilley@usps.gov
12436 S State Highway 3
Callahan, CA 96014
Callahan, CA 96014
The Callahan Post Office is located in the state of California within Siskiyou County. This location serves 211 Callahan residents with a median income of $24,904. It's estimated that approximately 337 packages pass through this post office each year.