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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, copper networks, data centers, and clo… read more ↓
Transfer network
How toll free numbers move between Lumen Technologies (AL) 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.centurylink.com/ Domain since 2006 (20y)
- Phone: (877) 453-8353 via web search: lumen.com
- 👥 Shared address (5 resporgs)
At a glance
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- UNAVAIL 1, 50.0%
- DISCONN 1, 50.0%
Trajectory
Show monthly numbers
| Month | Inventory | Acquired | Harvested | Lost | From spare | To spare |
|---|---|---|---|---|---|---|
| 2018-03 | 373,993 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 375,729 | 6,655 | 0 | 4,919 | 784 | 0 |
| 2018-09 | 372,046 | 532 | 0 | 4,215 | 41 | 15 |
| 2018-10 | 374,317 | 3,292 | 0 | 1,021 | 1,003 | 2 |
| 2018-11 | 377,046 | 3,775 | 0 | 1,046 | 8 | 3 |
| 2018-12 | 376,776 | 375 | 0 | 645 | 65 | 0 |
| 2019-01 | 376,746 | 951 | 0 | 981 | 305 | 0 |
| 2019-02 | 376,120 | 118 | 0 | 744 | 33 | 0 |
| 2019-03 | 376,602 | 677 | 1 | 195 | 19 | 0 |
| 2019-04 | 378,543 | 2,158 | 0 | 217 | 832 | 0 |
| 2019-05 | 378,444 | 211 | 0 | 310 | 19 | 1 |
| 2019-06 | 380,000 | 2,652 | 0 | 1,096 | 481 | 7 |
| 2019-08 | 340,581 | 4,371 | 1 | 43,790 | 1,229 | 42,393 |
| 2019-09 | 384,469 | 45,035 | 0 | 1,147 | 42,291 | 40 |
| 2019-10 | 384,204 | 741 | 0 | 1,006 | 254 | 1 |
| 2019-11 | 385,506 | 1,711 | 0 | 409 | 750 | 0 |
| 2019-12 | 385,953 | 535 | 0 | 88 | 24 | 3 |
| 2020-01 | 383,058 | 137 | 0 | 3,032 | 2 | 5 |
| 2020-02 | 384,176 | 1,453 | 2 | 335 | 13 | 0 |
| 2020-03 | 382,966 | 52 | 0 | 1,262 | 6 | 0 |
| 2020-04 | 382,547 | 499 | 0 | 918 | 72 | 0 |
| 2020-05 | 382,437 | 314 | 0 | 424 | 6 | 5 |
| 2020-06 | 382,272 | 44 | 0 | 209 | 6 | 2 |
| 2020-07 | 382,297 | 312 | 0 | 287 | 13 | 0 |
| 2020-08 | 380,084 | 512 | 0 | 2,725 | 5 | 0 |
| 2020-09 | 379,799 | 474 | 0 | 759 | 4 | 1 |
| 2020-10 | 379,478 | 117 | 0 | 438 | 6 | 1 |
| 2020-11 | 378,916 | 679 | 0 | 1,241 | 25 | 0 |
| 2020-12 | 380,018 | 1,556 | 0 | 454 | 9 | 0 |
| 2021-01 | 380,081 | 392 | 0 | 329 | 4 | 4 |
| 2021-02 | 380,245 | 445 | 0 | 281 | 250 | 0 |
| 2021-03 | 380,262 | 250 | 0 | 233 | 15 | 0 |
| 2021-04 | 379,814 | 126 | 0 | 574 | 9 | 299 |
| 2021-05 | 379,415 | 1,010 | 0 | 1,409 | 4 | 3 |
| 2022-05 | 381,838 | 8,810 | 1 | 6,387 | 2,296 | 1 |
| 2022-06 | 380,638 | 978 | 0 | 2,178 | 1 | 0 |
| 2022-07 | 380,309 | 277 | 0 | 606 | 92 | 0 |
| 2022-08 | 379,494 | 716 | 1 | 1,531 | 103 | 32 |
| 2022-09 | 379,751 | 642 | 0 | 385 | 159 | 3 |
| 2022-10 | 379,610 | 181 | 0 | 322 | 3 | 0 |
| 2022-11 | 379,277 | 84 | 0 | 417 | 31 | 0 |
| 2022-12 | 379,037 | 188 | 0 | 428 | 0 | 0 |
| 2023-01 | 378,723 | 17 | 0 | 331 | 3 | 0 |
| 2023-02 | 378,547 | 59 | 0 | 235 | 4 | 0 |
| 2023-03 | 375,306 | 133 | 0 | 3,374 | 3 | 0 |
| 2023-04 | 372,532 | 99 | 0 | 2,873 | 2 | 0 |
| 2023-05 | 372,385 | 138 | 0 | 285 | 0 | 0 |
| 2023-06 | 389,581 | 17,986 | 3 | 790 | 15,962 | 0 |
| 2023-07 | 380,309 | 10,673 | 0 | 19,945 | 17 | 14,678 |
| 2023-08 | 474,113 | 104,733 | 249 | 10,929 | 90,649 | 18 |
| 2023-09 | 472,268 | 357 | 0 | 2,202 | 201 | 200 |
| 2023-10 | 472,361 | 247 | 0 | 154 | 46 | 48 |
| 2023-11 | 472,146 | 943 | 0 | 1,158 | 33 | 0 |
| 2023-12 | 424,607 | 28,390 | 1,276 | 75,929 | 26,812 | 3,619 |
| 2024-02 | 471,105 | 74,798 | 172 | 28,300 | 3,371 | 27,890 |
| 2024-03 | 467,465 | 56 | 0 | 3,696 | 3 | 0 |
| 2024-04 | 466,984 | 65 | 0 | 546 | 0 | 0 |
| 2024-05 | 494,696 | 28,113 | 0 | 401 | 28,107 | 0 |
| 2024-06 | 492,182 | 3 | 0 | 2,517 | 0 | 0 |
| 2024-07 | 490,366 | 8 | 0 | 1,824 | 1 | 0 |
| 2024-08 | 487,354 | 9 | 0 | 3,021 | 5 | 0 |
| 2024-09 | 495,904 | 9,851 | 0 | 1,301 | 9,849 | 0 |
| 2024-10 | 458,691 | 10,001 | 27 | 47,214 | 9,956 | 0 |
| 2024-11 | 455,908 | 11,559 | 0 | 14,342 | 11,501 | 0 |
| 2024-12 | 432,315 | 1 | 0 | 23,594 | 1 | 7,676 |
| 2025-01 | 414,416 | 0 | 0 | 17,899 | 0 | 0 |
| 2025-02 | 408,966 | 0 | 0 | 5,450 | 0 | 0 |
| 2025-03 | 408,966 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 403,580 | 1 | 0 | 5,387 | 1 | 0 |
| 2025-05 | 398,804 | 2 | 0 | 4,778 | 2 | 1 |
| 2025-06 | 393,376 | 1 | 0 | 5,429 | 0 | 0 |
| 2025-07 | 390,966 | 0 | 0 | 2,410 | 0 | 0 |
| 2025-08 | 389,889 | 0 | 0 | 1,077 | 0 | 1 |
| 2025-09 | 388,144 | 0 | 0 | 1,745 | 0 | 0 |
| 2025-10 | 332,193 | 0 | 0 | 55,951 | 0 | 0 |
| 2025-11 | 331,955 | 0 | 0 | 238 | 0 | 0 |
| 2025-12 | 330,829 | 608 | 0 | 1,734 | 0 | 0 |
| 2026-01 | 330,908 | 100 | 0 | 21 | 0 | 0 |
| 2026-02 | 330,155 | 0 | 0 | 753 | 0 | 0 |
| 2026-03 | 330,121 | 0 | 0 | 34 | 0 | 0 |
| 2026-04 | 118 | 3 | 0 | 330,006 | 3 | 2,283 |
| 2026-05 | 118 | 0 | 0 | 0 | 0 | 0 |
| 2026-06 | 16 | 0 | 0 | 102 | 0 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 430,362.0 |
| Harvested from disconnect pool | 5,199.0 |
| First assigned from spare pool | 743,412.0 |
| Reactivated own disconnects | 3.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 1,139,380.0 |
| Standard disconnect aging process (3+ months in DISC) | 385,127 |
| Abbreviated disconnect period (1–2 months in DISC) | 58 |
| Released directly to spare pool | 396,940.0 |
Of the 385,185 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.
Top direct-transfer sources (INto AL)
| KS | 39,010.0 | Lumen Technologies (Lumen) |
| QI | 31,772.0 | Telnyx |
| LG | 15,104.0 | Lumen Technologies (Lumen) |
| AT | 11,013.0 | AT&T |
| AU | 8,369.0 | ATL Communications (ATLC) |
| VZ | 5,248.0 | Verizon Business (Verizon) |
| GA | 4,291.0 | Comet Media |
| IY | 1,865.0 | Intelemedia |
| JY | 1,862.0 | Bandwidth |
| IN | 1,716.0 | Lumen Technologies (Lumen) |
Top direct-transfer destinations (OUT of AL)
| KS | 83,319.0 | Lumen Technologies (Lumen) |
| QI | 66,293.0 | Telnyx |
| LG | 14,424.0 | Lumen Technologies (Lumen) |
| AU | 12,179.0 | ATL Communications (ATLC) |
| JY | 9,515.0 | Bandwidth |
| GA | 7,760.0 | Comet Media |
| RB | 6,490.0 | RingCentral |
| IU | 6,257.0 | Interactive RespOrg Management |
| SO | 5,606.0 | Signal One |
| RY | 3,915.0 | Flotrax (Primetel) |
Summary
CenturyLink is part of Lumen Technologies offering quantum fiber, a fully digital platform for delivering fiber-based products and services to residences and small businesses. They have changed names and grown through acquisitions, and use resellers. That means if your number is with them, it may have been serviced by a different organization. It also means that they may have numbers stuck in the cracks.
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, copper networks, data centers, and cloud computing.[1][2][4] Founded as CenturyLink (exact year not specified in sources), it is headquartered in Monroe, Louisiana, with approximately 29,000 employees.[1][2] No confirmed information on RespOrg code ALN01 or HQ in Arlington Heights, IL; sources indicate primary HQ at 100 Centurylink Dr, Monroe, LA.[1][2]
AI-generated summary (confidence: medium), last updated 2026-04-30. Verify against primary sources before quoting.
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