Below is a list of Drummond MT zip codes. For your research we have also included Drummond Area Code, Time Zone, UTC and the local Granite County FIPS Code. Each Drummond Montana zip code has a center Longitude / Latitude point (the Drummond center is -113.14399719238 / 46.668701171875). For your convenience we have also indicated if that zip code in Drummond observes Daylight Savings time.