Below is a list of Winfield KS zip codes. For your research we have also included Winfield Area Code, Time Zone, UTC and the local Cowley County FIPS Code. Each Winfield Kansas zip code has a center Longitude / Latitude point (the Winfield center is -96.988403320312 / 37.240501403809). For your convenience we have also indicated if that zip code in Winfield observes Daylight Savings time.