Big Horn County ZIP Codes
Montana, United States · 10 codes
Big Horn County in Montana has 10 ZIP codes, from 59016 to 59089, serving 10 places.
ZIP codes in Big Horn
Frequently asked questions
What is the ZIP code of Big Horn?
Big Horn has 10 ZIP codes, from 59016 to 59089. The table lists the places each one serves.
How many places are listed in Big Horn 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.