Jefferson County, Montana Zip Codes

6 zips

Zip Code
City
Population ↓
59634Clancy5,255
59759Whitehall3,647
59632Boulder2,412
59638Jefferson City594
59721Cardwell462
59631Basin371

Overview of Zip Codes in Jefferson County

6
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Jefferson County, Montana (US Census).