OCN 280D · Incumbent Local Exchange Carrier
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
Total blocks
3
Recent (18 mo)
0
Medium
0
Old
0
Area codes
2
States
2
Address
612 3rd St
Garretson, SD 57030-2155
612 3rd St
Garretson, SD 57030-2155
Website
alliance.coop
alliance.coop
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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 |
