Area Code 304-840 Map and Location
Phone number details for 304-840 numbers
The 304-840 exchange is serviced by the following companies within the HNTNGTNZN1 ratecenter.
"LEVEL 3 COMMUNICATIONS, LLC - WV"
Call are routed trough OCN 9944 and CLLI - HNTNWVDTUMD (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Working 304-840-xxxx Local Exchanges
More West Virginia resources