Below is a list of Houghton MI zip codes. For your research we have also included Houghton Area Code, Time Zone, UTC and the local Houghton County FIPS Code. Each Houghton Michigan zip code has a center Longitude / Latitude point (the Houghton center is -88.581001281738 / 47.090400695801). For your convenience we have also indicated if that zip code in Houghton observes Daylight Savings time.