Below is a list of Chatham MI zip codes. For your research we have also included Chatham Area Code, Time Zone, UTC and the local Alger County FIPS Code. Each Chatham Michigan zip code has a center Longitude / Latitude point (the Chatham center is -86.928901672363 / 46.347499847412). For your convenience we have also indicated if that zip code in Chatham observes Daylight Savings time.