Below is a list of Ladonia TX zip codes. For your research we have also included Ladonia Area Code, Time Zone, UTC and the local Fannin County FIPS Code. Each Ladonia Texas zip code has a center Longitude / Latitude point (the Ladonia center is -95.946197509766 / 33.426200866699). For your convenience we have also indicated if that zip code in Ladonia observes Daylight Savings time.