A method for performing triggerless mobile location-based screening and routing, the method comprising: at a telecommunications network element: receiving a mobility management message associated with a mobile subscriber, extracting from the mobility management message information identifying the mobile subscriber and location information associated with the mobile subscriber, and storing the extracted location information associated with the mobile subscriber; and receiving a call setup message, sent by a mobile switching center, MSC, originated by the mobile subscriber and associated with a call from the mobile subscriber, extracting from the call setup message information identifying the mobile subscriber, retrieving the stored location information associated with the mobile subscriber, and screening or routing the received call setup message based on the location information associated with the mobile subscriber; characterized in that the screening or routing the received call setup message based on the location information associated with the mobile subscriber comprises determining a new destination based on the location of the mobile subscriber, and sending, to the sender of the call setup message, a release message that includes information identifying the new destination. at a telecommunications network element: receiving a mobility management message associated with a mobile subscriber, extracting from the mobility management message information identifying the mobile subscriber and location information associated with the mobile subscriber, and storing the extracted location information associated with the mobile subscriber; and receiving a call setup message, sent by a mobile switching center, MSC, originated by the mobile subscriber and associated with a call from the mobile subscriber, extracting from the call setup message information identifying the mobile subscriber, retrieving the stored location information associated with the mobile subscriber, and screening or routing the received call setup message based on the location information associated with the mobile subscriber; characterized in that the screening or routing the received call setup message based on the location information associated with the mobile subscriber comprises determining a new destination based on the location of the mobile subscriber, and sending, to the sender of the call setup message, a release message that includes information identifying the new destination. receiving a mobility management message associated with a mobile subscriber, extracting from the mobility management message information identifying the mobile subscriber and location information associated with the mobile subscriber, and storing the extracted location information associated with the mobile subscriber; and receiving a call setup message, sent by a mobile switching center, MSC, originated by the mobile subscriber and associated with a call from the mobile subscriber, extracting from the call setup message information identifying the mobile subscriber, retrieving the stored location information associated with the mobile subscriber, and screening or routing the received call setup message based on the location information associated with the mobile subscriber; characterized in that the screening or routing the received call setup message based on the location information associated with the mobile subscriber comprises determining a new destination based on the location of the mobile subscriber, and sending, to the sender of the call setup message, a release message that includes information identifying the new destination.