Below is a list of Gueydan LA zip codes. For your research we have also included Gueydan Area Code, Time Zone, UTC and the local Vermilion County FIPS Code. Each Gueydan Louisiana zip code has a center Longitude / Latitude point (the Gueydan center is -92.50789642334 / 30.025699615479). For your convenience we have also indicated if that zip code in Gueydan observes Daylight Savings time.