Area Code 304-378 Map and Location

Phone number details for 304-378 numbers

The 304-378 exchange is serviced by the following companies within the MARTINSBG ratecenter.

"NEW FRONTIERS TELECOMMUNICATIONS, INC."

Call are routed trough OCN 4606 and CLLI - HGTWMDCWDS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .