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