The 787-858 exchange is serviced by the following companies within the VEGA BAJA ratecenter.
PUERTO RICO TELEPHONE CO.
Call are routed trough OCN 3201 and CLLI - VGBJPRCODS1 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in VEGA BAJA.
Who's number is 787-858 Numbers?