A method for routing a call associated with a private dialing plan includes receiving a call directed to a destination endpoint associated with a private dialing plan (PDP), receiving an internal egress path identifier associated with the destination endpoint, and routing the call to an egress path identified by the egress path identifier. A system for routing a call including a destination number associated with a PDP including a routing engine operable to route the call to a PDP call resolution server, and a first switch operable to receive an egress path identifier and a PDP telephone number from the PDP call resolution server, the egress path identifier identifying an egress path for routing the call to a destination endpoint associated with the destination number, and the PDP telephone number identifying a selected PDP destination endpoint and a second switch operable to receive the call based on the egress path identifier and route the call to the selected PDP destination endpoint using the PDP telephone number.