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Lumen Technologies Lumen Technologies, Inc. (formerly CenturyLink, Inc.) is a public telecommunications company (NYSE: LUMN) providing network, security, cloud, voice, and managed communications services via fiber optic and copper networks, data centers, and … read more ↓
Transfer network
How toll free numbers move between Lumen Technologies (IX) 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: centurylink.com Domain since 2006 (20y)
- Phone: (877) 453-8353 via web search: lumen.com
- 👥 Shared address (5 resporgs)
At a glance
#65 of 206 oldest
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- WORKING 13,335, 99.9%
- UNAVAIL 8, 0.1%
Inventory age buckets
- 2–5 years 13,319, 94.8%
- 5+ years 16, 0.1%
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 | 4,574 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 4,565 | 0 | 0 | 9 | 0 | 1 |
| 2018-09 | 4,563 | 0 | 0 | 2 | 0 | 0 |
| 2018-10 | 4,561 | 0 | 0 | 2 | 0 | 0 |
| 2018-11 | 4,561 | 0 | 0 | 0 | 0 | 0 |
| 2018-12 | 4,561 | 0 | 0 | 0 | 0 | 0 |
| 2019-01 | 4,561 | 0 | 0 | 0 | 0 | 0 |
| 2019-02 | 4,562 | 1 | 0 | 0 | 1 | 0 |
| 2019-03 | 4,563 | 1 | 0 | 0 | 1 | 0 |
| 2019-04 | 4,562 | 0 | 0 | 1 | 0 | 0 |
| 2019-05 | 4,562 | 0 | 0 | 0 | 0 | 0 |
| 2019-06 | 4,562 | 0 | 0 | 0 | 0 | 0 |
| 2019-08 | 4,327 | 13 | 0 | 248 | 13 | 247 |
| 2019-09 | 4,572 | 247 | 0 | 2 | 247 | 2 |
| 2019-10 | 4,572 | 0 | 0 | 0 | 0 | 0 |
| 2019-11 | 4,572 | 0 | 0 | 0 | 0 | 0 |
| 2019-12 | 4,575 | 3 | 0 | 0 | 0 | 0 |
| 2020-01 | 4,572 | 0 | 0 | 3 | 0 | 0 |
| 2020-02 | 24 | 2 | 0 | 4,550 | 1 | 0 |
| 2020-03 | 23 | 0 | 0 | 1 | 0 | 1 |
| 2020-04 | 23 | 0 | 0 | 0 | 0 | 0 |
| 2020-05 | 25 | 2 | 0 | 0 | 2 | 0 |
| 2020-06 | 25 | 0 | 0 | 0 | 0 | 0 |
| 2020-07 | 23 | 0 | 0 | 2 | 0 | 0 |
| 2020-08 | 23 | 0 | 0 | 0 | 0 | 0 |
| 2020-09 | 23 | 0 | 0 | 0 | 0 | 0 |
| 2020-10 | 23 | 0 | 0 | 0 | 0 | 0 |
| 2020-11 | 23 | 0 | 0 | 0 | 0 | 0 |
| 2020-12 | 23 | 0 | 0 | 0 | 0 | 0 |
| 2021-01 | 23 | 0 | 0 | 0 | 0 | 0 |
| 2021-02 | 23 | 0 | 0 | 0 | 0 | 0 |
| 2021-03 | 24 | 1 | 0 | 0 | 1 | 0 |
| 2021-04 | 70 | 46 | 0 | 0 | 43 | 0 |
| 2021-05 | 69 | 0 | 0 | 1 | 0 | 1 |
| 2022-05 | 8,834 | 8,796 | 6 | 31 | 8,677 | 0 |
| 2022-06 | 8,829 | 0 | 0 | 5 | 0 | 5 |
| 2022-07 | 8,829 | 0 | 0 | 0 | 0 | 0 |
| 2022-08 | 8,829 | 0 | 0 | 0 | 0 | 0 |
| 2022-09 | 8,829 | 0 | 0 | 0 | 0 | 0 |
| 2022-10 | 9,329 | 500 | 0 | 0 | 492 | 0 |
| 2022-11 | 9,329 | 0 | 0 | 0 | 0 | 0 |
| 2022-12 | 9,329 | 0 | 0 | 0 | 0 | 0 |
| 2023-01 | 9,329 | 0 | 0 | 0 | 0 | 0 |
| 2023-02 | 8,829 | 0 | 0 | 500 | 0 | 404 |
| 2023-03 | 8,829 | 0 | 0 | 0 | 0 | 0 |
| 2023-04 | 8,829 | 0 | 0 | 0 | 0 | 0 |
| 2023-05 | 10,879 | 2,050 | 0 | 0 | 2,050 | 0 |
| 2023-06 | 21,109 | 10,230 | 0 | 0 | 10,170 | 0 |
| 2023-07 | 8,829 | 0 | 0 | 12,280 | 0 | 11,413 |
| 2023-08 | 31,399 | 22,570 | 61 | 0 | 20,841 | 0 |
| 2023-09 | 31,399 | 0 | 0 | 0 | 0 | 0 |
| 2023-10 | 31,399 | 0 | 0 | 0 | 0 | 0 |
| 2023-11 | 31,399 | 0 | 0 | 0 | 0 | 0 |
| 2023-12 | 33,798 | 2,400 | 153 | 1 | 2,241 | 0 |
| 2024-02 | 31,399 | 1 | 0 | 2,400 | 0 | 2,367 |
| 2024-03 | 31,398 | 0 | 0 | 1 | 0 | 0 |
| 2024-04 | 31,398 | 0 | 0 | 0 | 0 | 0 |
| 2024-05 | 33,802 | 2,404 | 0 | 0 | 2,404 | 0 |
| 2024-06 | 33,798 | 0 | 0 | 4 | 0 | 0 |
| 2024-07 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2024-08 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2024-09 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2024-10 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2024-11 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2024-12 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2025-01 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2025-02 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2025-03 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2025-05 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2025-06 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2025-07 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2025-08 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2025-09 | 33,798 | 0 | 0 | 0 | 0 | 0 |
| 2025-10 | 19,487 | 0 | 0 | 14,311 | 0 | 0 |
| 2025-11 | 19,487 | 0 | 0 | 0 | 0 | 0 |
| 2025-12 | 13,358 | 1 | 0 | 6,130 | 0 | 0 |
| 2026-01 | 13,358 | 0 | 0 | 0 | 0 | 0 |
| 2026-02 | 13,358 | 0 | 0 | 0 | 0 | 0 |
| 2026-03 | 13,358 | 0 | 0 | 0 | 0 | 0 |
| 2026-04 | 13,357 | 0 | 0 | 1 | 0 | 0 |
| 2026-05 | 13,357 | 0 | 0 | 0 | 0 | 0 |
| 2026-06 | 13,357 | 0 | 0 | 0 | 0 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 5,592.0 |
| Harvested from disconnect pool | 660.0 |
| First assigned from spare pool | 141,552.0 |
| Reactivated own disconnects | 0.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 16,764.0 |
| Standard disconnect aging process (3+ months in DISC) | 20,442 |
| Abbreviated disconnect period (1–2 months in DISC) | 19 |
| Released directly to spare pool | 43,323.0 |
Of the 20,461 disconnect episodes this RespOrg has sent through aging, 0% were abbreviated (1–2 snapshots in DISC status). This RespOrg lets most numbers age the full 3–4 months before release, normal pattern.
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, Inc.) is a public telecommunications company (NYSE: LUMN) providing network, security, cloud, voice, and managed communications services via fiber optic and copper networks, data centers, and cloud computing.[1][2][4] Founded as CenturyLink (rebranded to Lumen in 2020), it is headquartered in Monroe, Louisiana, and employs approximately 29,000 people with reported revenues of $12.69 billion.[1][2][5] Note: User-provided HQ (Arlington Heights, IL) and website (centurylink.com) are outdated; current details corrected per sources.[1][2]
Toll free / RespOrg activity: No toll-free or RespOrg-specific news found in available sources. User-provided RespOrg code IXC01 unverified in results.
AI-generated summary (confidence: high), last updated 2026-04-30. Verify against primary sources before quoting.