Custer County, Montana ZIP codes

4ZIP codes
4Cities and towns
12,034People in ZIP areas
406Area code

Custer County is in Montana and the Mountain Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in Custer County

ZIP codeCityTypePopulationMedian income
59301Miles CityStandard11,643$71,332
59336IsmayStandard220$64,375
59338KinseyStandard136$69,375
59345PowdervilleStandard35$68,125

Cities and towns in Custer County

Area codes in Custer County

Questions

How many ZIP codes are in Custer County, MT?
Custer County has 4 ZIP codes.
What cities are in Custer County?
Custer County ZIP codes cover Ismay, Kinsey, Miles City and Powderville.
What area code is Custer County, MT?
Custer County uses area code 406.
What time zone is Custer County in?
Custer County is in Mountain Time.

Other Montana counties