Below is a list of Mount Vernon IA zip codes. For your research we have also included Mount Vernon Area Code, Time Zone, UTC and the local Linn County FIPS Code. Each Mount Vernon Iowa zip code has a center Longitude / Latitude point (the Mount Vernon center is -91.420997619629 / 41.924499511719). For your convenience we have also indicated if that zip code in Mount Vernon observes Daylight Savings time.
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