West Virginia is South Atlantic state which is one of the geographic partitions of United States of America. The Standard Time Zone used by the state is Eastern Time Zone. Telephone area code 304 is West Virginia Area Code. This is the only area code which was originally created in 1947 for serving the West Virginia State of United States. This is the sole area code providing telephone services to entire state. It was intended to add an overlay area code 681 which will be in service from 28th March 2009.
Some of the counties served by the code 304 are BRAXTON, BROOKE, CABELL, CALHOUN, CHARLES, MINGO, MONONGALIA, MONROE, MORGAN, NICHOLAS, OHIO, PENDLETON, HARDY and HARRISON.
Major companies providing telephone services in West Virginia are: