The 304 Area Code (or Area Code 304) is located in the state of WV. Area Code 304 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 1.76 million unique phone numbers and 6.16 million individuals near the city of Williamstown
Area code 304 was put into service. In 2009 area code 304 was overlaid with area code 681. Area code 304 and it's overlay area code 681 serve the entire state of West Virginia including the larger cities and communities of Charleston, Huntington, Morgantown, Parkersburg, Weirton, and Wheeling.