Below is a list of Granger IA zip codes. For your research we have also included Granger Area Code, Time Zone, UTC and the local Dallas County FIPS Code. Each Granger Iowa zip code has a center Longitude / Latitude point (the Granger center is -93.824401855469 / 41.757099151611). For your convenience we have also indicated if that zip code in Granger observes Daylight Savings time.