Below is a list of Clarks LA zip codes. For your research we have also included Clarks Area Code, Time Zone, UTC and the local Caldwell County FIPS Code. Each Clarks Louisiana zip code has a center Longitude / Latitude point (the Clarks center is -92.137298583984 / 32.025501251221). For your convenience we have also indicated if that zip code in Clarks observes Daylight Savings time.