Careers, Jobs and Education Resources for: Mack, CO
Mack is an unincorporated town 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. Mack is part of the Grand Junction Metropolitan Statistical Area. The town was named after the president of Mack Motor Company, because it was chosen to build the line from the remote Uintah Basin to the railroad, to transport Gilsonite.