Minnesota currently utilizes 7 area codes. When first established by AT&T and the Bell System in 1947, 218 covered most of the state of Minnesota except the southeastern part of state and 612 covered the southeastern portion of Minnesota including Minneapolis. The most recently added was 763 in 2000. Today, 651 is the most populated with an estimated 1.1 million of the state's 5.3 million residents.
Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.