Area codes 540 and 826 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. State of Virginia. Areas included are the outer portions of Northern Virginia/D.C Area along with areas in or around the Shenandoah Valley, Blue Ridge Mountains, New River Valley, and the Roanoke metropolitan area. The Virginia State Corporation Commission authorized the addition of 826 to the numbering plan area for implementation in May 2022.