Area Code 340-474 Map and Location

Phone number details for 340-474 numbers

The 340-474 exchange is serviced by the following companies within the CHTAMSTTHS ratecenter.

CENTENNIAL PUERTO RICO OPERATIONS CORP.

Call are routed trough OCN 6592 and CLLI - CHAMVIXX777 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .