Below is a list of Holt MI zip codes. For your research we have also included Holt Area Code, Time Zone, UTC and the local Ingham County FIPS Code. Each Holt Michigan zip code has a center Longitude / Latitude point (the Holt center is -84.523498535156 / 42.640201568604). For your convenience we have also indicated if that zip code in Holt observes Daylight Savings time.