Below is a list of Alder MT zip codes. For your research we have also included Alder Area Code, Time Zone, UTC and the local Madison County FIPS Code. Each Alder Montana zip code has a center Longitude / Latitude point (the Alder center is -112.1070022583 / 45.324001312256). For your convenience we have also indicated if that zip code in Alder observes Daylight Savings time.