Prosser Post Office Contact Information
Address, Phone Number, and Hours for an Post Office in Prosser, Washington.
About Prosser Post Office
The Prosser Post Office, located in Prosser, WA, is a branch location of the United States Postal Service (USPS) that serves the Prosser community. The customer service postal facility offers mail and package delivery services, P.O. box services, and passport services. The USPS operates as an independent agency within the federal government, supported entirely by revenues generated through its operations.
Interested parties may contact Post Office for questions about:
- Prosser, Washington Post Office hours and locations
- PO Box services in Prosser
- Mail and package delivery services
- Postage rates
- Passport services
- Benton County, Washington Post Office jobs and employment