Turtle Mountain Communications
Holding: United Telephone Mutual Aid Corporation
About Turtle Mountain Communications
Turtle Mountain Communications, operating as part of United & Turtle Mountain Communications, provides wireline telephone, internet, and TV services over a fiber-optic network primarily to residential and business customers in rural North Dakota communities including Langdon, Bottineau, and Rolla. It functions as a small regional ILEC serving local areas since its origins in 1952. In the US telecom landscape, it is a cooperative-based provider focused on rural fixed-line infrastructure.
- Parent: United Telephone Mutual Aid Corporation
- Founded: 1952
- Headquarters: Langdon, ND
- Services: rural ILEC, fiber phone, broadband internet, cable TV
Sources: About UTMA | United & Turtle Mountain Communications · Contact Us | United & Turtle Mountain Communications · Turtle Mountain Communications: United · Phone Services | United & Turtle Mountain Communications
Headquarters: Langdon, ND
From Turtle Mountain Communications Inc (OCN 1678), the largest member of the Turtle Mountain Communications group.


Carrier website
utma.com: opens in a new tab
Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (0)
- Old (0)
- Undated (41)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- North Dakota ND · 41
Top area codes
Bars show total blocks; red overlay is recent.
Member OCNs
2 OCNs roll up under Turtle Mountain Communications.
| OCN | Company name on file | HQ | Type | Total | Recent |
|---|---|---|---|---|---|
| 1678 | Turtle Mountain Communications Inc | Langdon, ND | Incumbent Local Exchange Carrier | 25 | · |
| 1636 | United Telephone Mutual Aid Corporation | Langdon, ND | Incumbent Local Exchange Carrier | 16 | · |
