Below is a list of Fort Benton MT zip codes. For your research we have also included Fort Benton Area Code, Time Zone, UTC and the local Chouteau County FIPS Code. Each Fort Benton Montana zip code has a center Longitude / Latitude point (the Fort Benton center is -110.66999816895 / 47.822898864746). For your convenience we have also indicated if that zip code in Fort Benton observes Daylight Savings time.