What is what area code is 276?

Area code 276 is a telephone area code in the North American Numbering Plan (NANP) for the southwestern part of the U.S. state of Virginia. It was established on September 1, 2001, as a split from area code 540. Area code 276 covers cities such as Bristol, Wytheville, Martinsville, and Galax, as well as other smaller communities in southwestern Virginia.