Below is a list of Rapid City MI zip codes. For your research we have also included Rapid City Area Code, Time Zone, UTC and the local Kalkaska County FIPS Code. Each Rapid City Michigan zip code has a center Longitude / Latitude point (the Rapid City center is -85.282699584961 / 44.834300994873). For your convenience we have also indicated if that zip code in Rapid City observes Daylight Savings time.