Below is a list of De Soto County LA zip codes. For your research we have also included De Soto County Area Code, Time Zone, UTC and the local County FIPS Code. Each De Soto County Louisiana zip code has a center Longitude / Latitude point (the De Soto County center is -93.801696777344 / 32.124298095703). For your convenience we have also indicated if that zip code in De Soto County observes Daylight Savings time.