Below is a list of Andover IA zip codes. For your research we have also included Andover Area Code, Time Zone, UTC and the local Clinton County FIPS Code. Each Andover Iowa zip code has a center Longitude / Latitude point (the Andover center is -90.252700805664 / 41.979198455811). For your convenience we have also indicated if that zip code in Andover observes Daylight Savings time.