FM meaning in Governmental ?

Fargo–Moorhead, also known as the FM area, is a common name given to the metropolitan area comprising Fargo, North Dakota; Moorhead, Minnesota; and the surrounding communities. These two cities lie on the North Dakota–Minnesota border, on opposite banks of the Red River of the North. The Fargo–Moorhead area is defined by the Census Bureau as comprising all of Cass County, North Dakota and Clay County, Minnesota, which includes the cities of Dilworth, MN, West Fargo, ND, and numerous other towns and developments from which commuters travel daily for work, education, and regular activities. A July 1, 2015 census estimate placed the population at 233,836, an increase of 34% from the 2000 census.

Fargo–Moorhead is the cultural, retail, health care, educational, and industrial center of southeastern North Dakota and northwestern Minnesota.