Below is a list of Magnolia IA zip codes. For your research we have also included Magnolia Area Code, Time Zone, UTC and the local Harrison County FIPS Code. Each Magnolia Iowa zip code has a center Longitude / Latitude point (the Magnolia center is -95.874298095703 / 41.69580078125). For your convenience we have also indicated if that zip code in Magnolia observes Daylight Savings time.