Document Record Date Filed: 10/31/1997 10:55:00 AM View Document Document Type: TRF-Tariff Link to Document: View Document Number of pages: 8 Case Numbers: 90-5032-TP-TRF 93-0487-TP-ALT Summary: Addendum to Ameritech Tariff No. 20, with effective date of November 3, 1997. Source File(s):