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Post Offices in Firth, ID
1 post office in Firth, Bingham County · Data as of 09/23/2026
Post offices on this page
Post offices in Firth at a glance
- Firth has 1 post office in our data.
- It ranks 14th among 102 Idaho cities by number of post offices.
- Close by, Blackfoot (1), Moreland (1) and Shelley (1) have post offices as well.
Post offices in Firth
A to Z
Frequently asked questions
- How many post offices are in Firth, ID?
- There is 1 post office in Firth as of 09/23/2026.