Below is a list of Mill River MA zip codes. For your research we have also included Mill River Area Code, Time Zone, UTC and the local Berkshire County FIPS Code. Each Mill River Massachusetts zip code has a center Longitude / Latitude point (the Mill River center is -73.267601013184 / 42.112899780273). For your convenience we have also indicated if that zip code in Mill River observes Daylight Savings time.