Michigan Administrative Code
Department - Licensing and Regulatory Affairs
Public Service Commission
Responsibilities of Providers of Basic Local Exchange Service that Cease to Provide the Service
Part 3 - CESSATION OF SERVICE TO ANY SEGMENT OF END USERS OR GEOGRAPHIC AREA, WITHDRAWAL OF SERVICE FROM THE STATE, TRANSFER OF CUSTOMERS TO OTHER PROVIDERS
Section R. 484.1018 - Reclamation of telephone numbers

(1) Inactive telephone numbers of a provider that ceases to provide service are considered abandoned.

(2) The provider ceasing to provide service shall contact the North American Numbering Plan Administrator, the National Number Pool Administrator, and the National Portability Administration Center regarding the NPA-NXX-Xs affected by the discontinuation of service.

(3) The commission staff shall work with the North American Numbering Plan Administrator, the National Number Pool Administrator, and the National Portability Administration Center to assist in the reclamation of numbering resources.