Below is a list of San Leon TX zip codes. For your research we have also included San Leon Area Code, Time Zone, UTC and the local Galveston County FIPS Code. Each San Leon Texas zip code has a center Longitude / Latitude point (the San Leon center is -95.01439666748 / 29.468999862671). For your convenience we have also indicated if that zip code in San Leon observes Daylight Savings time.