The numeric sequence representing a specific geographic region within the North American Numbering Plan serves as a prefix dialed before the seven-digit local number when placing a call. This identifier ensures calls reach the intended destination. For example, when calling a number within this zone from outside the zone, the sequence must precede the local number.
This particular designator facilitates communication across West Virginia, enabling businesses and residents to connect with the wider world. Its implementation decades ago streamlined telephone services and remains a vital part of the state’s infrastructure. The establishment of this code significantly contributed to the region’s economic development and fostered social connections.