Below is a list of Montezuma IA zip codes. For your research we have also included Montezuma Area Code, Time Zone, UTC and the local Poweshiek County FIPS Code. Each Montezuma Iowa zip code has a center Longitude / Latitude point (the Montezuma center is -92.527198791504 / 41.585399627686). For your convenience we have also indicated if that zip code in Montezuma observes Daylight Savings time.