| Case Number | Case Title | Open Date | Closed Date |
| 07-0464-TP-COI | INTRASTATE ACCESS CHARGES | 01/02/2007 | |
| 10-2387-TP-COI | IN THE MATTER OF THE COMMISSIONS INVESTIGATION INTO INTRASTATE CARRIER ACCESS REFORM PURSUANT TO SENATE BILL 162 | 10/20/2010 | |
| 13-1115-TP-COI | HIGH COST UNIVERSAL SERVICE | 04/12/2013 | |
| 14-1115-TP-COI | IN THE MATTER OF THE ANNUAL FILING REQUIREMENTS FOR 2014 PERTAINING TO TH PROVISIONING OF HIGH COST UNIVERSAL SERVICE | 04/09/2014 | |
| 15-1115-TP-COI | IN THE MATTER OF THE ANNUAL FILING REQUIREMENTS FOR 2015 PERTAINING OF HIGH COST UNIVERSAL SERVICE | 03/16/2015 | |
| 15-1116-TP-COI | IN THE MATTER OF THE ANNUAL FILING REQUIREMENTS FOR 2015 PERTAINING TO THE PROVISIONING OF LIFELINE UNIVERSAL SERVICE | 03/16/2015 | |
| 16-1115-TP-COI | In the Matter of the Annual Filing Requirements for 2016 Pertaining
to the Provisioning of High Cost Universal Service. | 01/07/2016 | |
| 16-1116-TP-COI | In the Matter of the Annual Filing Requirements for 2016 Pertaining
to the Provisioning of Lifeline Universal Service | 01/07/2016 | |
| 19-1116-TP-COI | IN THE MATTER OF THE ANNUAL FILING REQUIREMENTS FOR 2019 PERTAINING TO THE PROVISIONING OF LIFELINE UNIVERSAL SERVICE | 04/05/2019 | |
| 20-1115-TP-COI | In the Matter of the Annual Filing Requirements for 2020 Pertaining to the Provisioning of High Cost Universal Service | 12/06/2019 | |
| 20-1116-TP-COI | In the Matter of the Annual Filing Requirements for 2020 Pertaining to the Provisioning of Lifeline Universal Service | 12/06/2019 | |
| 95-0845-TP-COI | LOCAL EXCHANGE COMPETITIVE ISSUES | 09/14/1995 | |