Below is a list of Miles City MT zip codes. For your research we have also included Miles City Area Code, Time Zone, UTC and the local Custer County FIPS Code. Each Miles City Montana zip code has a center Longitude / Latitude point (the Miles City center is -105.84100341797 / 46.408401489258). For your convenience we have also indicated if that zip code in Miles City observes Daylight Savings time.