| Date Filed | Summary | Pages |
| 04/11/1990 | Revised tariff sheets, IL. C.C. No. 3, filed on behalf of applicant by D. Trabaris. | 0 |
| 03/03/1990 | Memo stating application is automatically approved with effective date of March 3, 1990. | 0 |
| 03/02/1990 | Revised tariffs, PUCO No. l, filed on behalf of applicant by D. Trabaris. | 0 |
| 02/28/1990 | Revised tariff sheets, PUCO No. l, filed on behalf of applicant by D. Trabaris. | 0 |
| 01/16/1990 | In the matter of the application of MCI Telecommunications Corporation for authority to revise its Intrastate Interexchange Toll Carrier Tariff PUCO No. l to add 800 Service, and PrimeTime Calling Option. | 0 |
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