Below is a list of Lavon TX zip codes. For your research we have also included Lavon Area Code, Time Zone, UTC and the local Collin County FIPS Code. Each Lavon Texas zip code has a center Longitude / Latitude point (the Lavon center is -96.436599731445 / 33.027198791504). For your convenience we have also indicated if that zip code in Lavon observes Daylight Savings time.