Below is a list of Mermentau LA zip codes. For your research we have also included Mermentau Area Code, Time Zone, UTC and the local Acadia County FIPS Code. Each Mermentau Louisiana zip code has a center Longitude / Latitude point (the Mermentau center is -92.583602905273 / 30.187299728394). For your convenience we have also indicated if that zip code in Mermentau observes Daylight Savings time.