Below is a list of Dimmitt TX zip codes. For your research we have also included Dimmitt Area Code, Time Zone, UTC and the local Castro County FIPS Code. Each Dimmitt Texas zip code has a center Longitude / Latitude point (the Dimmitt center is -102.31999969482 / 34.550998687744). For your convenience we have also indicated if that zip code in Dimmitt observes Daylight Savings time.