Below is a list of Avoca IA zip codes. For your research we have also included Avoca Area Code, Time Zone, UTC and the local Pottawattamie County FIPS Code. Each Avoca Iowa zip code has a center Longitude / Latitude point (the Avoca center is -95.336402893066 / 41.483200073242). For your convenience we have also indicated if that zip code in Avoca observes Daylight Savings time.