Below is a list of Sigourney IA zip codes. For your research we have also included Sigourney Area Code, Time Zone, UTC and the local Keokuk County FIPS Code. Each Sigourney Iowa zip code has a center Longitude / Latitude point (the Sigourney center is -92.205200195312 / 41.336898803711). For your convenience we have also indicated if that zip code in Sigourney observes Daylight Savings time.