Resolving calling line identification information

A computing device includes a processing unit and a system memory. The processing unit creates a normalization module programmed to modify a plurality of telephone numbers so that the telephone numbers conform to a specified format, creates a calling line manipulation module programmed to manipulate a calling line identification number to form a number for querying one or more databases including contact information, and creates a resource query module programmed to query the databases including the contacting information using the number, receive one or more query results from the databases, and select one of the query results for inclusion in a notification of a telephonic message.