The 939-388 exchange is serviced by the following companies within the GUAYNABO ratecenter.
CENTENNIAL PUERTO RICO OPERATIONS CORP.
Call are routed trough OCN 6592 and CLLI - SNJNPRLGCM1 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Who's number is 939-388 Numbers?