Grand River Mutual Telephone Corporation
All OCNs operating under this holding company.
| OCN | Company | HQ | Type | Total | Recent | Website |
|---|---|---|---|---|---|---|
| 1888 | Grand River Mutual Telephone Corporation | Princeton, MO | Incumbent Local Exchange Carrier | 97 | — | www2.grm.net |
| 1094 | South Central Communications Inc | Princeton, MO | Incumbent Local Exchange Carrier | 3 | — | socen.com |
| 1932 | Lathrop Telephone Company | Princeton, MO | Incumbent Local Exchange Carrier | 2 | — | www2.grm.net |
| 4411 | Grand River Mutual Telephone Corporation - IA | Princeton, MO | Incumbent Local Exchange Carrier | 0 | — | |
| 4412 | Grand River Mutual Telephone Corporation - MO | Princeton, MO | Incumbent Local Exchange Carrier | 0 | — |