Coordinates: 28°28′50″N 98°21′01″W / 28.480548°N 98.35029°W / 28.480548; -98.35029
Calliham is an unincorporated community in northeastern McMullen County, Texas, United States, along State Highway 72 between Three Rivers and Tilden. 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 / 28.48056; -98.35028 (28.4805479, -98.3502895). Although it is unincorporated, it has a post office with the ZIP code of 78007.
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