Antoinett Benthusen (Postmaster)
antoinett.f.benthusen@usps.gov
35304 W Highway 20 26
Powder River, WY 82648
Powder River, WY 82648
The Powder River Post Office is located in the state of Wyoming within Natrona County. This location serves 56 Powder River residents with a median income of $0. It's estimated that approximately 89 packages pass through this post office each year.