Fergus County ZIP Codes
Montana, United States · 10 codes
Fergus County in Montana has 10 ZIP codes, from 59032 to 59489, serving 10 places.
ZIP codes in Fergus
Frequently asked questions
What is the ZIP code of Fergus?
Fergus has 10 ZIP codes, from 59032 to 59489. The table lists the places each one serves.
How many places are listed in Fergus 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.