Below is a list of Hallettsville TX zip codes. For your research we have also included Hallettsville Area Code, Time Zone, UTC and the local Lavaca County FIPS Code. Each Hallettsville Texas zip code has a center Longitude / Latitude point (the Hallettsville center is -96.941299438477 / 29.44409942627). For your convenience we have also indicated if that zip code in Hallettsville observes Daylight Savings time.