28°28′50″N 98°21′01″W / 28.480548°N 98.35029°W
Calliham is an unincorporated community in northeastern McMullen County, Texas, United States, along State Highway 72 between Three Rivers and Tilden.[1] Its elevation is 226 feet (69 m), and it is located at 28°28′50″N 98°21′01″W / 28.48056°N 98.35028°W (28.4805479, -98.3502895).[2] it has a post office with the ZIP code 78007.[3]