Below is a list of Calliham TX zip codes. For your research we have also included Calliham Area Code, Time Zone, UTC and the local Mcmullen County FIPS Code. Each Calliham Texas zip code has a center Longitude / Latitude point (the Calliham center is -98.350196838379 / 28.480600357056). For your convenience we have also indicated if that zip code in Calliham observes Daylight Savings time.