Chauncey F Bowden (Postmaster)
chauncey.f.bowden@usps.gov
1103 Meade Ave
Prosser, WA 99350
Prosser, WA 99350
The Prosser Post Office is located in the state of Washington within Benton County. This location serves 12,979 Prosser residents with a median income of $53,260. It's estimated that approximately 20,716 packages pass through this post office each year.