Ontario Post Office Contact Information
Address, Phone Number, and Hours for an Post Office in Ontario, Oregon.
About Ontario Post Office
The Ontario Post Office, located in Ontario, OR, is a branch location of the United States Postal Service (USPS) that serves the Ontario 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:
- Ontario, Oregon Post Office hours and locations
- PO Box services in Ontario
- Mail and package delivery services
- Postage rates
- Passport services
- Malheur County, Oregon Post Office jobs and employment