Broadwater County ZIP Codes
Montana, United States · 4 codes
Broadwater County in Montana has 4 ZIP codes, from 59641 to 59647, serving 4 places.
ZIP codes in Broadwater
Frequently asked questions
What is the ZIP code of Broadwater?
Broadwater has 4 ZIP codes, from 59641 to 59647. The table lists the places each one serves.
How many places are listed in Broadwater 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.