The 787-657 exchange is serviced by the following companies within the RIO GRANDE ratecenter.
CENTENNIAL PUERTO RICO OPERATIONS CORP. - PR
Call are routed trough OCN 8305 and CLLI - RIGRPRACRL0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Who's number is 787-657 Numbers?