"1378.0"^^ . . . "119.0"^^ . . "-7" . "-6" . "970" . "81525" . "Mack is an unincorporated community and a U.S. Post Office located about 10 miles east of the Colorado/Utah border in Mesa County, Colorado, United States. The Mack Post Office has the ZIP Code 81525."@en . . . "Mack, Colorado"@en .