Butler-Bremer Mutual Telephone Company
All OCNs operating under this holding company.
| OCN | Company | HQ | Type | Total | Recent | Website |
|---|---|---|---|---|---|---|
| 0990 | Clarksville Mutual Telephone Company | Marshall, IL | Incumbent Local Exchange Carrier | 1 | — | butler-bremer.com |
| 1120 | Clarksville Telephone Company | Plainfield, IA | Incumbent Local Exchange Carrier | 0 | — |