Phone number details for 939-204 numbers
The 939-204 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 - GUYNPR05DS0 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in GUAYNABO.
Working 939-204-xxxx local exchanges
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