what area code is used in wv
(304 and 681). West Virginia is currently using two area codes. West Virginia utilizes one area code overlay plan, which is often called an overlay complex. Area code 304 originally covered all of West Virginia when it was established in 1947.In 2009 area code 681 was established as an overlay of area code 304.Today the two area codes cover the entire state of West Virginia.est Virginia utilizes one area code overlay plan, which is often called an overlay complex.