Below is a list of Rockwall TX zip codes. For your research we have also included Rockwall Area Code, Time Zone, UTC and the local Rockwall County FIPS Code. Each Rockwall Texas zip code has a center Longitude / Latitude point (the Rockwall center is -96.460403442383 / 32.921901702881). For your convenience we have also indicated if that zip code in Rockwall observes Daylight Savings time.