A post office called Mack has been in operation since 1904.[3] It was assigned the ZIP Code 81525.[2] The community was named after John W. Mack, a businessperson in the asphalt industry.[4]
The Country Jam Ranch is located near the town of Mack and is known for being a Music Festival Destination. This is a permanent festival site created for music festivals, including Country Jam, an event that has been held since 1992 and one that draws thousands of country music fans to the area.