CASE NUMBER: 98-0788-CT-ZTA CASE DESCRIPTION: MCI TELECOMMUNICATIONS CORP. DOCUMENT SIGNED ON: 5/1/2024 DATE OF SERVICE: ________________________________________ 05/14/1998 In the matter of the application of MCI Telecommunications Corporation to revise its tariff, PUCO No. 2, to introduce Option KK, networkMCI Contact one-number service. (33 pgs.)