Below is a list of Wilton IA zip codes. For your research we have also included Wilton Area Code, Time Zone, UTC and the local Muscatine County FIPS Code. Each Wilton Iowa zip code has a center Longitude / Latitude point (the Wilton center is -91.026100158691 / 41.590099334717). For your convenience we have also indicated if that zip code in Wilton observes Daylight Savings time.