OCN 1651 · Incumbent Local Exchange Carrier
Interstate Telecommunications Cooperative Inc - SD
d/b/a Interstate Telecom
Part of the Interstate Telecom group — 2 OCNs across 2 states · 32 blocks combined.
Total blocks
29
Recent (18 mo)
0
Medium
0
Old
0
Area codes
2
States
2
Address
406 4th St W,
Clear Lake, SD 57226-2250
406 4th St W,
Clear Lake, SD 57226-2250
Website
itc-web.com
itc-web.com
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HQ — Clear Lake, SD
Block portfolio at a glance
By age
- Recent (0) — last 18 mo
- Medium (0)
- Old (0)
- Undated (29)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- South Dakota SD · 27
- Minnesota MN · 2
Top area codes
Bars show total blocks; red overlay is recent.
Sister OCNs in the Interstate Telecom group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Interstate Telecom group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 1654 | Interstate Telecommunications Cooperative Inc - MN | SD | 3 | — |