Below is a list of Zilwaukee MI zip codes. For your research we have also included Zilwaukee Area Code, Time Zone, UTC and the local Saginaw County FIPS Code. Each Zilwaukee Michigan zip code has a center Longitude / Latitude point (the Zilwaukee center is -83.9205291 / 43.4764138). For your convenience we have also indicated if that zip code in Zilwaukee observes Daylight Savings time.