Below is a list of Buchanan Dam TX zip codes. For your research we have also included Buchanan Dam Area Code, Time Zone, UTC and the local Llano County FIPS Code. Each Buchanan Dam Texas zip code has a center Longitude / Latitude point (the Buchanan Dam center is -98.438201904297 / 30.738500595093). For your convenience we have also indicated if that zip code in Buchanan Dam observes Daylight Savings time.