Glenn D Lantagne (Postmaster)
glenn.d.lantagne@usps.gov
617 Washington Ave
Niagara, WI 54151
Niagara, WI 54151
The Niagara Post Office is located in the state of Wisconsin within Marinette County. This location serves 3,556 Niagara residents with a median income of $44,555. It's estimated that approximately 5,676 packages pass through this post office each year.