Below is a list of Avon MT zip codes. For your research we have also included Avon Area Code, Time Zone, UTC and the local Powell County FIPS Code. Each Avon Montana zip code has a center Longitude / Latitude point (the Avon center is -112.60199737549 / 46.597301483154). For your convenience we have also indicated if that zip code in Avon observes Daylight Savings time.