a new service destination determination switching system is provided for a telecommunications environment in which a called party has discontinued an old service destination and obtained a new service destination . the new service destination determination switching system is used to obtain the new service destination when a calling party places a call to the old service destination . the switching system includes a hub switch that receives a rerouted call from an old service destination switch . the hub switch corresponds to a routing number prefix used to reroute calls from the old service destination switch to the hub switch . the routing number prefix causes the hub switch to initiate a trigger to a network platform that obtains the new service destination .