Abstract: A method and system for updating a mobile dialing number of a telematics-equipped mobile vehicle is disclosed herein. The method involves generating, via a processor operatively associated with an automated system at a call center, a mobile dialing number update trigger in response to an event. The call center is in selective and operative communication with an activated telematics unit having a first mobile dialing number. The method further includes recognizing the mobile dialing number update trigger via the automated system; and in response to the recognizing initiating a mobile dialing number update routine via the automated system. The automated system then selectively automatically updates the first mobile dialing number with a second mobile dialing number in response to the mobile dialing number update routine.