Lemhi County ZIP Codes
Idaho, United States · 10 codes
Lemhi County in Idaho has 10 ZIP codes, from 83229 to 83469, serving 10 places.
ZIP codes in Lemhi
Frequently asked questions
What is the ZIP code of Lemhi?
Lemhi has 10 ZIP codes, from 83229 to 83469. The table lists the places each one serves.
How many places are listed in Lemhi County?
10 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.