Alliance Communications Cooperative Inc - SD
d/b/a Alliance Communications Cooperative Inc
Part of the Hills Telephone Company group. 3 OCNs across 3 states · 13 blocks combined.
Holding: Alliance Communications Cooperative
612 3rd St
Garretson, SD 57030-2155
alliance.coop
About Hills Telephone Company
Hills Telephone Company is a rural ILEC (incumbent local exchange carrier) operating in South Dakota, providing local phone service, broadband internet, and long-distance services to customers in small communities. The company is owned by Alliance Communications Cooperative, a customer-owned communications cooperative headquartered in Garretson, South Dakota. Hills Telephone operates as part of a broader regional network of rural telephone cooperatives serving the upper Midwest.
- Parent: Alliance Communications Cooperative
- Headquarters: Garretson, SD
- Services: rural local exchange service, broadband internet, long-distance service, fiber-to-the-home network
Sources: Alliance Communications – History · Recent Mergers & Acquisitions In The Communications Industry · South Dakota PUC – Telecommunications Operations Report 2010 · Alliance Communications – Home
Toll-free side: Hills Telephone Company also operates as a toll-free RespOrg (code GRP01). View on resporgs.com →
Numbers by age tier
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HQ: Garretson, SD
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.
- South Dakota SD · 2
- Minnesota MN · 1
Top area codes
Bars show total blocks; red overlay is recent.
Sister OCNs in the Hills Telephone Company group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Hills Telephone Company group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 1405 | Alliance Communications Cooperative Inc - IA | SD | 7 | · |
| 1406 | Alliance Communications Cooperative Inc - MN | SD | 3 | · |
Sister OCNs under Alliance Communications Cooperative
| OCN | Company | Total | Recent |
|---|---|---|---|
| 1405 | Alliance Communications Cooperative Inc - IA | 7 | 0 |
| 1642 | Alliance Communications Cooperative Inc (Baltic) | 5 | 0 |
| 1657 | Alliance Communications Cooperative Inc (Split Rock) | 5 | 0 |
| 1406 | Alliance Communications Cooperative Inc - MN | 3 | 0 |
| 1359 | Hills Telephone Company Inc | 0 | 0 |
| 1655 | Splitrock Properties Inc | 0 | 0 |