| Date Filed | Summary | Pages |
| 02/07/1991 | DOCKET CARD | 0 |
| 11/14/1988 | Corrected Price List filed by S. Pestello on behalf of applicant. | 0 |
| 11/10/1988 | Revised tariff sheets, PUCO No. 1, filed by S. Pestello on behalf of applicant. | 0 |
| 11/05/1988 | Memo stating application is automatically approved with effective date of November 5, 1988. | 0 |
| 11/04/1988 | Final tariff sheets, PUCO No. 1, filed by S. Pestello on behalf of applicant. | 0 |
| 10/28/1988 | Revised tariff sheets Nos. 1 (Check Sheet) and 59.1, filed by S. Pestello on behalf of applicant. | 0 |
| 09/20/1988 | Application of MCI Telecommunications Corporation for authority to revise its Intrastate Interexchange Toll Carrier Tariff PUCO No. 1, to offer three new PRISM Services to make changes in certain discount options; and to make various textual revision without change in rate. | 0 |