CASE NUMBER: 90-5207-TP-TRF CASE DESCRIPTION: OPERATOR COMMUNICATIONS, INC. DBA ONCOR COMMUNICATIONS, INC.. DOCUMENT SIGNED ON: 4/19/2024 DATE OF SERVICE: ________________________________________ 11/08/2004 Certificate 90-5207 cancelled. 06/24/1991 Revised tariffs, PUCO No. 1, Price List - pages 1 and 2, filed on behalf of applicant by J. Kirby. 06/19/1990 Initial tariff filed 6/4/90.