Below is a list of Geraldine MT zip codes. For your research we have also included Geraldine Area Code, Time Zone, UTC and the local Chouteau County FIPS Code. Each Geraldine Montana zip code has a center Longitude / Latitude point (the Geraldine center is -110.26499938965 / 47.605201721191). For your convenience we have also indicated if that zip code in Geraldine observes Daylight Savings time.