Below is a list of Saint Helena County LA zip codes. For your research we have also included Saint Helena County Area Code, Time Zone, UTC and the local County FIPS Code. Each Saint Helena County Louisiana zip code has a center Longitude / Latitude point (the Saint Helena County center is -90.762496948242 / 30.789600372314). For your convenience we have also indicated if that zip code in Saint Helena County observes Daylight Savings time.