A method of correcting telephone number status discrepancies using a telephone number inventory management system includes providing a telephone number inventory management system. In the system, each telephone number in a group of telephone numbers is represented by an active data record. The active data records comprise include data representing the telephone number and data representing a rule relating to the telephone number. Each rule represents a unique combination of actual states for telephone numbers among a number of data environments. The method also includes identifying a specific rule that reflects a discrepancy among the plurality of data environments, searching the active data records for telephone numbers relating to the specific rule, and transmitting from the telephone number inventory management system a command to one of the plurality of data environments to change the status of each of the telephone numbers relating to the specific rule.