Below is a list of Desoto County MS zip codes. For your research we have also included Desoto County Area Code, Time Zone, UTC and the local County FIPS Code. Each Desoto County Mississippi zip code has a center Longitude / Latitude point (the Desoto County center is -90.04109954834 / 34.934200286865). For your convenience we have also indicated if that zip code in Desoto County observes Daylight Savings time.