Below is a list of Waterville IA zip codes. For your research we have also included Waterville Area Code, Time Zone, UTC and the local Allamakee County FIPS Code. Each Waterville Iowa zip code has a center Longitude / Latitude point (the Waterville center is -91.297996520996 / 43.207901000977). For your convenience we have also indicated if that zip code in Waterville observes Daylight Savings time.