Debra G Moyer (Postmaster)
debra.g.moyer@usps.gov
1753 State Highway 508
Onalaska, WA 98570
Onalaska, WA 98570
The Onalaska Post Office is located in the state of Washington within Lewis County. This location serves 3,889 Onalaska residents with a median income of $51,094. It's estimated that approximately 6,207 packages pass through this post office each year.