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 (28.4805479, -98.3502895).[2] Although it is unincorporated, it has a post office with the ZIP code of 78007.[3]
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