Below is a list of Altoona IA zip codes. For your research we have also included Altoona Area Code, Time Zone, UTC and the local Polk County FIPS Code. Each Altoona Iowa zip code has a center Longitude / Latitude point (the Altoona center is -93.477996826172 / 41.644100189209). For your convenience we have also indicated if that zip code in Altoona observes Daylight Savings time.