Below is a list of Cardwell MT zip codes. For your research we have also included Cardwell Area Code, Time Zone, UTC and the local Jefferson County FIPS Code. Each Cardwell Montana zip code has a center Longitude / Latitude point (the Cardwell center is -111.95400238037 / 45.869201660156). For your convenience we have also indicated if that zip code in Cardwell observes Daylight Savings time.