Below is a list of Seagoville TX zip codes. For your research we have also included Seagoville Area Code, Time Zone, UTC and the local Dallas County FIPS Code. Each Seagoville Texas zip code has a center Longitude / Latitude point (the Seagoville center is -96.5599 / 32.651). For your convenience we have also indicated if that zip code in Seagoville observes Daylight Savings time. For more information on Seagoville Texas you will find helpful business links and searches.