Valley County ZIP Codes
Montana, United States · 11 codes
Valley County in Montana has 11 ZIP codes, from 59223 to 59273, serving 11 places.
ZIP codes in Valley
Frequently asked questions
What is the ZIP code of Valley?
Valley has 11 ZIP codes, from 59223 to 59273. The table lists the places each one serves.
How many places are listed in Valley County?
11 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.