Tina Carbaugh (Postmaster)
tina.m.carbaugh@usps.gov
35 W Market St
Mount Union, PA 17066
Mount Union, PA 17066
The Mount Union Post Office is located in the state of Pennsylvania within Mifflin County. This location serves 5,348 Mount Union residents with a median income of $35,417. It's estimated that approximately 8,536 packages pass through this post office each year.