Carrier group · Competitive Local Exchange Carrier
SSTELECOM
Total blocks
5
Recent (18 mo)
0
Medium
0
Old
5
Member OCNs
1
States
1
Area codes
1
First assigned block
2006-05-12
2006-05-12
Last assigned block
2023-03-01
2023-03-01
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Headquarters: Clear Lake, SD
Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (0)
- Old (5)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- South Dakota SD · 5
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Member OCNs
1 OCN roll up under SSTELECOM.
| OCN | Company name on file | HQ | Type | Total | Recent |
|---|---|---|---|---|---|
| 907D | Interstate Telecommunications Cooperative Inc | Clear Lake, SD | Competitive Local Exchange Carrier | 5 | · |