Document Record Date Filed: 7/11/2008 7:39:36 AM View Document Document Type: TRF-Tariff Link to Document: View Document Number of pages: 34 Case Numbers: 08-0107-TP-BLS 90-5032-TP-TRF Summary: Revised tariff P.U.C.O. No. 20 to add newly competitive exchanges, electronically filed by Maryann Mackey on behalf of AT&T Ohio. Source File(s): faf537f4-3d03-4d29-b95d-2c5eef37570a_mhmackey711200873640AM_OH-08-18064 Exhibit B.doc