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