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Lumen Technologies Lumen Technologies, Inc. (formerly CenturyLink) is a public telecommunications company (NYSE: LUMN) providing network, edge cloud, security, voice, and managed services via fiber optic and copper networks, data centers, and cloud computing.… read more ↓
Transfer network
How toll free numbers move between Lumen Technologies (UL) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; Lumen Technologies is highlighted. Open the full interactive map →
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- Website: https://www.lumen.com/ Domain since 1994 (32y)
- Phone: (877) 453-8353 via web search: lumen.com
At a glance
#20 of 206 oldest
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- WORKING 15,471, 100.0%
Inventory age buckets
- 1–3 months 5, 0.0%
- 3–12 months 12, 0.1%
- 1–2 years 156, 0.9%
- 2–5 years 5,760, 33.9%
- 5+ years 9,538, 56.2%
Ages are measured from each number's last change in the Somos registry, that's the most recent activation, transfer, or status move. Not necessarily the date this RespOrg originally acquired it.
Request a manual history review of a specific toll free number →
Trajectory
Show monthly numbers
| Month | Inventory | Acquired | Harvested | Lost | From spare | To spare |
|---|---|---|---|---|---|---|
| 2018-03 | 35,314 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 34,538 | 315 | 0 | 1,091 | 224 | 218 |
| 2018-09 | 33,625 | 130 | 4 | 1,043 | 68 | 95 |
| 2018-10 | 33,282 | 39 | 1 | 382 | 16 | 8 |
| 2018-11 | 32,673 | 69 | 0 | 678 | 50 | 15 |
| 2018-12 | 32,472 | 66 | 1 | 267 | 51 | 5 |
| 2019-01 | 31,551 | 39 | 1 | 960 | 21 | 9 |
| 2019-02 | 31,172 | 36 | 1 | 415 | 25 | 8 |
| 2019-03 | 30,717 | 27 | 0 | 482 | 15 | 9 |
| 2019-04 | 30,334 | 42 | 0 | 425 | 28 | 9 |
| 2019-05 | 30,125 | 42 | 0 | 251 | 32 | 1 |
| 2019-06 | 29,796 | 71 | 2 | 400 | 58 | 3 |
| 2019-08 | 25,997 | 63 | 1 | 3,862 | 37 | 2,722 |
| 2019-09 | 28,248 | 2,503 | 0 | 252 | 2,498 | 8 |
| 2019-10 | 27,895 | 20 | 0 | 373 | 11 | 24 |
| 2019-11 | 27,696 | 72 | 1 | 271 | 12 | 6 |
| 2019-12 | 27,506 | 16 | 1 | 206 | 6 | 3 |
| 2020-01 | 27,253 | 10 | 0 | 263 | 6 | 4 |
| 2020-02 | 27,044 | 16 | 0 | 225 | 11 | 0 |
| 2020-03 | 26,817 | 25 | 0 | 252 | 14 | 1 |
| 2020-04 | 26,617 | 17 | 0 | 217 | 11 | 1 |
| 2020-05 | 26,416 | 20 | 0 | 221 | 11 | 5 |
| 2020-06 | 26,207 | 36 | 1 | 245 | 21 | 4 |
| 2020-07 | 26,006 | 19 | 0 | 220 | 11 | 1 |
| 2020-08 | 25,794 | 17 | 0 | 229 | 6 | 5 |
| 2020-09 | 25,585 | 22 | 0 | 231 | 16 | 0 |
| 2020-10 | 25,411 | 17 | 0 | 191 | 6 | 0 |
| 2020-11 | 25,220 | 25 | 0 | 216 | 6 | 1 |
| 2020-12 | 25,054 | 17 | 0 | 183 | 4 | 1 |
| 2021-01 | 24,850 | 13 | 0 | 217 | 3 | 1 |
| 2021-02 | 24,677 | 18 | 0 | 191 | 8 | 1 |
| 2021-03 | 24,505 | 20 | 0 | 192 | 10 | 4 |
| 2021-04 | 24,306 | 15 | 1 | 214 | 7 | 0 |
| 2021-05 | 24,132 | 20 | 0 | 194 | 9 | 5 |
| 2022-05 | 22,862 | 60 | 2 | 1,330 | 27 | 326 |
| 2022-06 | 22,825 | 6 | 0 | 43 | 2 | 0 |
| 2022-07 | 22,805 | 3 | 0 | 23 | 3 | 0 |
| 2022-08 | 22,764 | 7 | 0 | 48 | 3 | 2 |
| 2022-09 | 22,739 | 1 | 0 | 26 | 0 | 0 |
| 2022-10 | 21,968 | 3 | 0 | 774 | 0 | 1 |
| 2022-11 | 16,684 | 1 | 0 | 5,285 | 1 | 0 |
| 2022-12 | 22,628 | 5,974 | 0 | 30 | 0 | 0 |
| 2023-01 | 22,608 | 6 | 0 | 26 | 4 | 0 |
| 2023-02 | 22,587 | 5 | 0 | 26 | 5 | 0 |
| 2023-03 | 22,462 | 6 | 0 | 131 | 3 | 42 |
| 2023-04 | 22,416 | 3 | 0 | 49 | 1 | 2 |
| 2023-05 | 22,393 | 3 | 1 | 26 | 2 | 1 |
| 2023-06 | 22,358 | 3 | 1 | 38 | 1 | 2 |
| 2023-07 | 22,805 | 1,263 | 3 | 816 | 286 | 9 |
| 2023-08 | 21,801 | 818 | 0 | 1,822 | 10 | 278 |
| 2023-09 | 21,771 | 2 | 0 | 32 | 2 | 0 |
| 2023-10 | 21,757 | 7 | 0 | 21 | 7 | 0 |
| 2023-11 | 21,735 | 3 | 1 | 25 | 2 | 1 |
| 2023-12 | 15,566 | 3 | 0 | 6,172 | 1 | 142 |
| 2024-02 | 21,109 | 5,545 | 15 | 2 | 59 | 0 |
| 2024-03 | 21,027 | 1 | 0 | 83 | 0 | 0 |
| 2024-04 | 20,962 | 0 | 0 | 65 | 0 | 0 |
| 2024-05 | 20,904 | 1 | 0 | 59 | 0 | 0 |
| 2024-06 | 20,255 | 6 | 2 | 655 | 3 | 0 |
| 2024-07 | 20,009 | 0 | 0 | 246 | 0 | 0 |
| 2024-08 | 17,939 | 0 | 0 | 2,070 | 0 | 0 |
| 2024-09 | 17,189 | 0 | 0 | 750 | 0 | 0 |
| 2024-10 | 17,135 | 0 | 0 | 54 | 0 | 0 |
| 2024-11 | 15,617 | 0 | 0 | 1,518 | 0 | 0 |
| 2024-12 | 15,569 | 0 | 0 | 48 | 0 | 0 |
| 2025-01 | 15,562 | 0 | 0 | 7 | 0 | 0 |
| 2025-02 | 15,561 | 1 | 0 | 2 | 0 | 0 |
| 2025-03 | 15,561 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 15,561 | 1 | 0 | 1 | 0 | 0 |
| 2025-05 | 15,560 | 0 | 0 | 1 | 0 | 0 |
| 2025-06 | 15,560 | 0 | 0 | 0 | 0 | 0 |
| 2025-07 | 15,560 | 0 | 0 | 0 | 0 | 0 |
| 2025-08 | 15,560 | 0 | 0 | 0 | 0 | 0 |
| 2025-09 | 15,560 | 0 | 0 | 0 | 0 | 0 |
| 2025-10 | 15,565 | 6 | 0 | 1 | 0 | 0 |
| 2025-11 | 15,551 | 0 | 0 | 14 | 0 | 0 |
| 2025-12 | 15,550 | 0 | 0 | 1 | 0 | 0 |
| 2026-01 | 15,549 | 0 | 0 | 1 | 0 | 0 |
| 2026-02 | 15,484 | 0 | 0 | 65 | 0 | 0 |
| 2026-03 | 15,484 | 0 | 0 | 0 | 0 | 0 |
| 2026-04 | 15,484 | 0 | 0 | 0 | 0 | 0 |
| 2026-05 | 15,486 | 2 | 0 | 0 | 0 | 0 |
| 2026-06 | 15,485 | 1 | 0 | 2 | 0 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 41,532.0 |
| Harvested from disconnect pool | 120.0 |
| First assigned from spare pool | 11,202.0 |
| Reactivated own disconnects | 2,073.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 87,432.0 |
| Standard disconnect aging process (3+ months in DISC) | 9,374 |
| Abbreviated disconnect period (1–2 months in DISC) | 5,212 |
| Released directly to spare pool | 15,932.0 |
Of the 14,586 disconnect episodes this RespOrg has sent through aging, 36% were abbreviated (1–2 snapshots in DISC status).
Top direct-transfer sources (INto UL)
| LG | 11,592.0 | Lumen Technologies (Lumen) |
| SO | 181.0 | Signal One |
| ZX | 140.0 | Haven Partners (CHP) |
| FO | 128.0 | Flotrax (Primetel) |
| IU | 127.0 | Interactive RespOrg Management |
| KS | 121.0 | Lumen Technologies (Lumen) |
| JY | 102.0 | Bandwidth |
| AL | 97.0 | Lumen Technologies (Lumen) |
| JT | 95.0 | Comcast |
| GA | 92.0 | Comet Media |
Top direct-transfer destinations (OUT of UL)
| LG | 15,939.0 | Lumen Technologies (Lumen) |
| JT | 548.0 | Comcast |
| JY | 542.0 | Bandwidth |
| KS | 430.0 | Lumen Technologies (Lumen) |
| IU | 283.0 | Interactive RespOrg Management |
| AL | 273.0 | Lumen Technologies (Lumen) |
| QY | 270.0 | Inteliquent |
| SO | 255.0 | Signal One |
| AU | 254.0 | ATL Communications (ATLC) |
| GA | 252.0 | Comet Media |
Summary
Formerly Century Link, among other names, Lumen is a large telecom company that's grown through numerous acquisitions and of course has multiple resporgs and systems and probably numerous numbers lost in the cracks. They also work with a number of resellers, though not as much as they used to. This makes finding the right segment of the company and the actual company providing the service especially hard.
About Lumen Technologies
Lumen Technologies, Inc. (formerly CenturyLink) is a public telecommunications company (NYSE: LUMN) providing network, edge cloud, security, voice, and managed services via fiber optic and copper networks, data centers, and cloud computing.[1][2][4] Headquartered in Monroe, Louisiana, it was rebranded from CenturyLink around 2020 and employs approximately 29,000 people.[1][2] No confirmed information on founding year from sources; user-stated HQ in Minneapolis, MN is incorrect per multiple references.[1][2][5]
Toll free / RespOrg activity: No toll-free or RespOrg-specific news or activity found in sources.
AI-generated summary (confidence: high), last updated 2026-04-30. Verify against primary sources before quoting.
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