The 939-338 exchange is serviced by the following companies within the RIOPIEDRAS ratecenter.
CENTENNIAL PUERTO RICO OPERATIONS CORP. - PR
Call are routed trough OCN 8305 and CLLI - SNJNPRLGPS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in .
Who's number is 939-338 Numbers?