Below is a list of Ringgold County IA zip codes. For your research we have also included Ringgold County Area Code, Time Zone, UTC and the local County FIPS Code. Each Ringgold County Iowa zip code has a center Longitude / Latitude point (the Ringgold County center is -94.24169921875 / 40.74760055542). For your convenience we have also indicated if that zip code in Ringgold County observes Daylight Savings time.