Francine A Filtz (Postmaster)
francine.a.filtz@usps.gov
405 Main St
Birnamwood, WI 54414
Birnamwood, WI 54414
The Birnamwood Post Office is located in the state of Wisconsin within Shawano County. This location serves 3,404 Birnamwood residents with a median income of $51,037. It's estimated that approximately 5,433 packages pass through this post office each year.