Below is a list of Mcculloch County TX zip codes. For your research we have also included Mcculloch County Area Code, Time Zone, UTC and the local County FIPS Code. Each Mcculloch County Texas zip code has a center Longitude / Latitude point (the Mcculloch County center is -99.35489654541 / 31.266799926758). For your convenience we have also indicated if that zip code in Mcculloch County observes Daylight Savings time.