Robinson Communications Corp
All OCNs operating under this holding company.
| OCN | Company | HQ | Type | Total | Recent | Website |
|---|---|---|---|---|---|---|
| 3304 | Humboldt Telephone Company | San Francisco, CA | Incumbent Local Exchange Carrier | 7 | — | e4connect.com |
| 2390 | Oregon-Idaho Utilities Inc | San Francisco, CA | Incumbent Local Exchange Carrier | 4 | — | e4connect.com |
| 4488 | Oregon-Idaho Utilities Inc - ID | San Francisco, CA | Incumbent Local Exchange Carrier | 0 | — | |
| 4489 | Oregon-Idaho Utilities Inc - OR | San Francisco, CA | Incumbent Local Exchange Carrier | 0 | — |