Below is a list of Lake Dallas TX zip codes. For your research we have also included Lake Dallas Area Code, Time Zone, UTC and the local Denton County FIPS Code. Each Lake Dallas Texas zip code has a center Longitude / Latitude point (the Lake Dallas center is -97.029998779297 / 33.126300811768). For your convenience we have also indicated if that zip code in Lake Dallas observes Daylight Savings time.