OCN 1666 · Incumbent Local Exchange Carrier
Jefferson Telephone Company
d/b/a Jefferson Telephone Company Inc
Part of the Jefferson Telephone Company group. 2 OCNs across 3 states · 3 blocks combined.
Holding: Long Lines LLC
Total blocks
1
Recent (18 mo)
0
Medium
0
Old
0
Area codes
1
States
1
Address
311 Main St,
Jefferson, SD 57038-2049
311 Main St,
Jefferson, SD 57038-2049
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Numbers by age tier
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HQ: Jefferson, SD
Block portfolio at a glance
By age
- Recent (0). Last 18 mo
- Medium (0)
- Old (0)
- Undated (1)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- South Dakota SD · 1
Top area codes
Bars show total blocks; red overlay is recent.
Sister OCNs in the Jefferson Telephone Company group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Jefferson Telephone Company group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 1212 | Jefferson Telephone Company | IA | 2 | · |
Sister OCNs under Long Lines LLC
| OCN | Company | Total | Recent |
|---|---|---|---|
| 1213 | Jordan-Soldier Valley Telephone Company | 2 | 0 |
| 6755 | Iowa 15 Wireless LLC | 0 | 0 |
| 819D | Long Lines Wireless LLC | 0 | 0 |