Below is a list of Lodge Grass MT zip codes. For your research we have also included Lodge Grass Area Code, Time Zone, UTC and the local Big Horn County FIPS Code. Each Lodge Grass Montana zip code has a center Longitude / Latitude point (the Lodge Grass center is -107.3629989624 / 45.314498901367). For your convenience we have also indicated if that zip code in Lodge Grass observes Daylight Savings time.