Area Code 304-340 Map and Location

Phone number details for 304-340 numbers

The 304-340 exchange is serviced by the following companies within the CHRLSTNZN1 ratecenter.

FRONTIER WEST VIRGINIA INC.

Call are routed trough OCN 9214 and CLLI - CHTNWVLEDS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in CHARLESTON 1.