Cal-Ore Telephone
Holding: California-Oregon Telecommunications Company
2004-10-13
2018-01-19
About Cal-Ore Telephone
Cal-Ore Telephone is a rural CLEC providing local telephone, fiber optic internet, DSL, fixed wireless internet, VoIP, and hosted data services in Southern Oregon and Northern California. It primarily serves residential and business customers in small communities such as Dorris, Tulelake, Klamath Falls, and Yreka. The company operates a 400-mile company-owned fiber network and holds 3 state-level OCNs with 16 originated 1,000-number blocks.
- Parent: California-Oregon Telecommunications Company
- Headquarters: Dorris, CA
- Services: rural CLEC, fiber internet, local telephone, VoIP, hosted data services
Sources: Cal-Ore Telephone – Local. Trusted. Professional · Cal-Ore Communications | Internet and Phone Services · Leadership - Cal-Ore Telephone · Contact Us - Cal-Ore Telephone
Headquarters: Dorris, CA
From Cal-Ore Communications Inc - OR (OCN 348D), the largest member of the Cal-Ore Telephone group.


Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (0)
- Old (11)
- Undated (5)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- California CA · 10
- Oregon OR · 6
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Member OCNs
3 OCNs roll up under Cal-Ore Telephone.
| OCN | Company name on file | HQ | Type | Total | Recent |
|---|---|---|---|---|---|
| 348D | Cal-Ore Communications Inc - OR | Dorris, CA | Competitive Local Exchange Carrier | 6 | · |
| 734E | Cal-Ore Communications Inc - CA | Dorris, CA | Competitive Local Exchange Carrier | 6 | · |
| 2311 | Cal-Ore Telephone Company | Dorris, CA | Incumbent Local Exchange Carrier | 4 | · |
