Below is a list of Sidnaw MI zip codes. For your research we have also included Sidnaw Area Code, Time Zone, UTC and the local Houghton County FIPS Code. Each Sidnaw Michigan zip code has a center Longitude / Latitude point (the Sidnaw center is -88.707901000977 / 46.506698608398). For your convenience we have also indicated if that zip code in Sidnaw observes Daylight Savings time.