Pamela Borso (Postmaster)
pam.e.pennings-borso@usps.gov
7632 Portal Way
Custer, WA 98240
Custer, WA 98240
The Custer Post Office is located in the state of Washington within Whatcom County. This location serves 3,061 Custer residents with a median income of $64,821. It's estimated that approximately 4,886 packages pass through this post office each year.