The present invention provides a system and method for auditing and reconciliation of a telephone service provider's database and a central or regional repository. Both the database and repository contain data records. The data records include telephone number porting information that facilitates tracking and porting of telephone numbers. The system comprises interface means between a service provider's database and the repository. The method includes user interface which facilitates selection of auditing and reconciliation choices, including amount of date to be analyzed and downloaded, the type of data and data processing application and time of operation.