Area code 218

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Area code 218 is one of the two original telephone numbering plan codes for Minnesota, though it has been modified since inception. By area, the region is the largest area code in the state, covering roughly the top half and including cities such as Duluth and Brainerd.

According to a 1947 map of the North American Numbering Plan (NANP), the region was originally "r"-shaped and covered about 2/3rds of the state. Area code 612 covered the remaining southeastern portion of the state. The shape was apparently modified to roughly coincide with its current shape in 1954 when area code 507 was created to stretch across the southern fifth of Minnesota.

The region was probably modified slightly during the 1990s when the 612 area was subdivided. Today, area code 320 runs the length of the southern border with 218, and the 612 area code has been reduced in size so much that it now just covers Minneapolis proper and a few nearby suburbs.

[edit] See also

List of North American area codes

State of Minnesota area codes: 218, 320, 507, 612, 651, 763, 952
	North: 204, 807
West: 701	218	East: 715
	South: 320
Province of Manitoba area code: 204
Province of Ontario area codes: 226, 289, 416, 519, 613, 647, 705, 807, 905
State of Wisconsin area codes: 262, 414, 608, 715, 920
State of North Dakota area code: 701