Below is a list of Winfield IA zip codes. For your research we have also included Winfield Area Code, Time Zone, UTC and the local Henry County FIPS Code. Each Winfield Iowa zip code has a center Longitude / Latitude point (the Winfield center is -91.437896728516 / 41.125999450684). For your convenience we have also indicated if that zip code in Winfield observes Daylight Savings time.
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