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Directory Results for Numbering Resource Utilization in the United States NRUF data as of June 30, 2009 Porting and Toll-Free data as of September 30, 2009 Craig Stroup and John Vu Industry Analysis and Technology Division Wireline Competition Bureau Federal - - to Numbering Resources - TIA Online

Numbering Resource Utilization in the United States NRUF data as of June 30, 2009 Porting and Toll-Free data as of September 30, 2009 Craig Stroup and John Vu Industry Analysis and Technology Division Wireline Competition Bureau Federal - -
Numbering Resources - TIA Online