Cambridge Telephone Company
Part of the Cambridge Telephone Company group. 3 OCNs across 3 states · 38 blocks combined.
Holding: Cambridge Telcom Inc
111 E 1st St,
Geneseo, IL 61254-2123
Cambridge Telephone Company
About Cambridge Telephone Company
Cambridge Telephone Company is a small rural ILEC providing landline telephone, high-speed DSL, and fiber optic internet services primarily to residential and business customers in Adams and Washington counties, southeastern Idaho. It also offers wireless services through a partnership with RINA Wireless, including unlimited talk, text, and data plans. As a competitive telecom with 11-20 employees, it serves underserved areas where larger carriers do not operate.
- Founded: 1905
- Headquarters: Cambridge, ID
- Services: rural ILEC, DSL internet, fiber optic, wireless MVNO
Sources: Cambridge Telephone Company, Inc Overview, Address & Contact · CAMBRIDGE TELECOM COOPERATIVE JOINS FORCES WITH RINA WIRELESS · CTC Telecom: Internet Boise | Boise Internet Service Provider · Contact CTC in Boise, Cambridge, Council, Idaho - CTC Telecom
Numbers by age tier
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Carrier website
pnpt.com: opens in a new tab
HQ: Geneseo, IL


Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (0)
- Old (0)
- Undated (3)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Illinois IL · 3
Top area codes
Bars show total blocks; red overlay is recent.
Sister OCNs in the Cambridge Telephone Company group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Cambridge Telephone Company group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 2215 | Cambridge Telephone Company Inc | ID | 33 | · |
| 1526 | Cambridge Telephone Company | NE | 2 | · |
