Gem County ZIP Codes
Idaho, United States · 4 codes
Gem County in Idaho has 4 ZIP codes, from 83617 to 83670, serving 4 places.
ZIP codes in Gem
Frequently asked questions
What is the ZIP code of Gem?
Gem has 4 ZIP codes, from 83617 to 83670. The table lists the places each one serves.
How many places are listed in Gem County?
4 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.