Granite County ZIP Codes
Montana, United States · 3 codes
Granite County in Montana has 3 ZIP codes, from 59832 to 59858, serving 3 places.
ZIP codes in Granite
Frequently asked questions
What is the ZIP code of Granite?
Granite has 3 ZIP codes, from 59832 to 59858. The table lists the places each one serves.
How many places are listed in Granite County?
3 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.