Resporgs.com

RespOrg directory

Lumen Technologies

alias: Level3, Century Link

Large Telcom Group: Lumen

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Lumen Technologies (RespOrg code JS) controls 1,284 US toll free numbers as of October 2026. That is up 1,280 (32000%) since March 2018. Resporgs.com files it under Large Telcom. It is part of the Lumen group. Based in Arlington Heights, IL.

Transfer network

How toll free numbers move between Lumen Technologies (JS) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; Lumen Technologies is highlighted. Open the full interactive map →

Scroll to zoom, drag to pan, drag a node to reposition.

Transfer Funnel (acquired at a drop, then moved on) Off-hours fast pickup
Lumen Technologies website screenshot
Website, visit, full size
Based in Arlington Heights, IL
Based in Arlington Heights, IL, street view, full size
Based in Arlington Heights, IL
Based in Arlington Heights, IL, satellite, full size

At a glance

Active numbers
1,284
#256 of 479
Change over 4 years
+1,280
+32000.0%
Opportunism Index
0.09%
#246 of 320
Vanity matches
11.0%
Median inventory age
41 mo
3.4 years since last change
Sub-codes in use
2
JSS01, JSS99

Inventory by NPA

1
800
0
888
0
877
0
866
0
855
1
844
1,282
833

Click any NPA for total pool inventory across the industry.

By status

  • WORKING 1,280, 100.0%

Inventory age buckets

  • 2–5 years 1,280, 98.2%

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

Total active inventory Numbers harvested from disconnect pool that month
2K2K1K50602018-032023-022026-10
Show monthly numbers
MonthInventoryAcquiredHarvestedLostFrom spareTo spare
2018-03 4 0 0 0 0 0
2018-06 4 0 0 0 0 0
2018-09 4 0 0 0 0 0
2018-10 4 0 0 0 0 0
2018-11 4 0 0 0 0 0
2018-12 4 0 0 0 0 0
2019-01 4 0 0 0 0 0
2019-02 4 0 0 0 0 0
2019-03 4 0 0 0 0 0
2019-04 4 0 0 0 0 0
2019-05 4 0 0 0 0 0
2019-06 4 0 0 0 0 0
2019-08 4 0 0 0 0 0
2019-09 4 0 0 0 0 0
2019-10 4 0 0 0 0 0
2019-11 4 0 0 0 0 0
2019-12 4 0 0 0 0 0
2020-01 4 0 0 0 0 0
2020-02 4 0 0 0 0 0
2020-03 4 0 0 0 0 0
2020-04 4 0 0 0 0 0
2020-05 4 0 0 0 0 0
2020-06 4 0 0 0 0 0
2020-07 4 0 0 0 0 0
2020-08 4 0 0 0 0 0
2020-09 4 0 0 0 0 0
2020-10 4 0 0 0 0 0
2020-11 4 0 0 0 0 0
2020-12 4 0 0 0 0 0
2021-01 4 0 0 0 0 0
2021-02 4 0 0 0 0 0
2021-03 4 0 0 0 0 0
2021-04 4 0 0 0 0 0
2021-05 4 0 0 0 0 0
2022-05 4 0 0 0 0 0
2022-06 4 0 0 0 0 0
2022-07 4 0 0 0 0 0
2022-08 4 0 0 0 0 0
2022-09 4 0 0 0 0 0
2022-10 4 0 0 0 0 0
2022-11 4 0 0 0 0 0
2022-12 4 0 0 0 0 0
2023-01 4 0 0 0 0 0
2023-02 4 0 0 0 0 0
2023-03 4 0 0 0 0 0
2023-04 4 0 0 0 0 0
2023-05 744 740 0 0 739 0
2023-06 2,024 1,280 0 0 1,280 0
2023-07 4 0 0 2,020 0 1,923
2023-08 1,284 1,280 3 0 1,192 0
2023-09 1,284 0 0 0 0 0
2023-10 1,284 0 0 0 0 0
2023-11 1,284 0 0 0 0 0
2023-12 1,284 0 0 0 0 0
2024-02 1,284 0 0 0 0 0
2024-03 1,284 0 0 0 0 0
2024-04 1,284 0 0 0 0 0
2024-05 1,284 0 0 0 0 0
2024-06 1,284 0 0 0 0 0
2024-07 1,284 0 0 0 0 0
2024-08 1,284 0 0 0 0 0
2024-09 1,284 0 0 0 0 0
2024-10 1,284 0 0 0 0 0
2024-11 1,284 0 0 0 0 0
2024-12 1,284 0 0 0 0 0
2025-01 1,284 0 0 0 0 0
2025-02 1,284 0 0 0 0 0
2025-03 1,284 0 0 0 0 0
2025-04 1,284 0 0 0 0 0
2025-05 1,284 0 0 0 0 0
2025-06 1,284 0 0 0 0 0
2025-07 1,284 0 0 0 0 0
2025-08 1,284 0 0 0 0 0
2025-09 1,284 0 0 0 0 0
2025-10 1,284 0 0 0 0 0
2025-11 1,284 0 0 0 0 0
2025-12 1,284 0 0 0 0 0
2026-01 1,284 0 0 0 0 0
2026-02 1,284 0 0 0 0 0
2026-03 1,284 0 0 0 0 0
2026-04 1,284 0 0 0 0 0
2026-05 1,284 0 0 0 0 0
2026-06 1,284 0 0 0 0 0
2026-07 1,284 0 0 0 0 0
2026-08 1,284 0 0 0 0 0
2026-09 1,284 0 0 0 0 0
2026-10 1,284 0 0 0 0 0

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg172.0
Harvested from disconnect pool6.0
First assigned from spare pool6,422.0
Reactivated own disconnects0.0

Outbound (numbers lost)

Direct transfer to another RespOrg291.0
Entered multi-month disconnect (aging)0.0
Released directly to spare pool5,769.0

Top direct-transfer sources (INto JS)

GA51.0Comet Media
KS16.0Lumen Technologies (Lumen)
OM6.0Intrado Communications (Intrado)
OU5.0CallSource
LL3.0Plivo
LQ3.0Inteliquent
IG1.0Genesys Telecom
YC1.0Marchex

Top direct-transfer destinations (OUT of JS)

GA54.0Comet Media
KS19.0Lumen Technologies (Lumen)
OM6.0Intrado Communications (Intrado)
LQ5.0Inteliquent
OU5.0CallSource
LL3.0Plivo
VZ2.0Verizon Business (Verizon)
AT1.0AT&T
IG1.0Genesys Telecom
YC1.0Marchex

Summary

The Lumen Platform is the fastest, most secure platform for next-gen business applications and data, integrating global network infrastructure, cloud connectivity, edge computing, connected security, voice, collaboration and enterprise-class services into a seamless experience.

Top vanity holdings

833L9-TOPDOG 8335-YVETTE 8335-ZULEMA 833KYTICAL 833LYTICAL 833JYUMIKA 833KYUNGJA 833KYUNGJA 833LYVEBOX 833LWTEXAS 833KYVERNA 833KYVERNA 833KYUNGAN 833JYTIAND 833JZVHAND 833KYUHONG 833JZTITLE 833KYUGONG 833KYTITLE 833KYTITLE 833KXTDCOM 833LYTECNO 833LYTE NOW 833LYTE BUG 833JXTOPMN 833KYTOWER 833KYUDOJO 833LYTE BUG 833LYTTRON 833KYUMSON 833LYTTRON 833LYTTRON 833LYTEPOW 833JWTHSUN 833LYTEFUL 833LYVIBES 833KYUFENG 833KWUNPHI 833LYVERDE 833LYUYAQI 833KYULIFE 833LYVIBES 833LYTDUCT 833KWUNCPA 833LYTEPOP 833LXVELIZ 833LYTHRUM 833KWVOEYQ 833LYUYAQI 833LYUYAQI 833LYTEN GO 833KYTEBLU 833LXTOPDK 833LYVEDON 833LWTEARS 833JWT KIDS 833KYUKTAN 833LYTHCOT 833JYUKJON 833JYTD SKY

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