Looking for a toll free number from Serenova?
Tell me which number you want. I pass appropriate requests to the company that holds the number, and I reply within one business day. It's free to ask.
Serenova (RespOrg code HH) controls 50,710 US toll free numbers as of October 2026. That is down 26,637 (34%) since March 2018. Based in Austin, TX.
Transfer network
How toll free numbers move between Serenova (HH) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; Serenova is highlighted. Open the full interactive map →
Scroll to zoom, drag to pan, drag a node to reposition.
- Website: https://www.lifesize.com/ Domain since 1997 (28y)
- Phone: (917) 751-5713 via web search: sernova.com
At a glance
#172 of 207 oldest
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- WORKING 50,696, 100.0%
Inventory age buckets
- 3–12 months 50,696, 97.6%
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 | 77,347 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 76,016 | 4 | 0 | 1,335 | 1 | 0 |
| 2018-09 | 75,889 | 8 | 0 | 135 | 2 | 0 |
| 2018-10 | 75,213 | 3 | 0 | 679 | 3 | 0 |
| 2018-11 | 75,176 | 0 | 0 | 37 | 0 | 0 |
| 2018-12 | 75,179 | 3 | 0 | 0 | 2 | 0 |
| 2019-01 | 75,165 | 0 | 0 | 14 | 0 | 0 |
| 2019-02 | 75,158 | 0 | 0 | 7 | 0 | 0 |
| 2019-03 | 75,140 | 2 | 0 | 20 | 1 | 0 |
| 2019-04 | 75,142 | 5 | 0 | 3 | 4 | 0 |
| 2019-05 | 75,139 | 0 | 0 | 3 | 0 | 0 |
| 2019-06 | 75,119 | 1 | 0 | 21 | 1 | 1 |
| 2019-08 | 73,479 | 14 | 0 | 1,654 | 0 | 1,566 |
| 2019-09 | 75,040 | 1,562 | 0 | 1 | 1,562 | 0 |
| 2019-10 | 75,040 | 0 | 0 | 0 | 0 | 0 |
| 2019-11 | 75,040 | 2 | 0 | 2 | 0 | 0 |
| 2019-12 | 75,046 | 6 | 0 | 0 | 6 | 0 |
| 2020-01 | 75,039 | 0 | 0 | 7 | 0 | 2 |
| 2020-02 | 75,110 | 71 | 0 | 0 | 0 | 0 |
| 2020-03 | 75,108 | 10 | 0 | 12 | 0 | 0 |
| 2020-04 | 75,098 | 5 | 0 | 15 | 0 | 0 |
| 2020-05 | 75,055 | 1 | 0 | 44 | 0 | 0 |
| 2020-06 | 75,055 | 0 | 0 | 0 | 0 | 0 |
| 2020-07 | 77,367 | 2,338 | 0 | 26 | 0 | 0 |
| 2020-08 | 77,339 | 0 | 0 | 28 | 0 | 0 |
| 2020-09 | 77,334 | 0 | 0 | 5 | 0 | 0 |
| 2020-10 | 77,318 | 0 | 0 | 16 | 0 | 0 |
| 2020-11 | 77,318 | 0 | 0 | 0 | 0 | 0 |
| 2020-12 | 77,312 | 4 | 0 | 10 | 3 | 0 |
| 2021-01 | 77,511 | 200 | 0 | 1 | 0 | 1 |
| 2021-02 | 77,523 | 15 | 0 | 3 | 0 | 0 |
| 2021-03 | 77,523 | 0 | 0 | 0 | 0 | 0 |
| 2021-04 | 77,523 | 0 | 0 | 0 | 0 | 0 |
| 2021-05 | 77,723 | 200 | 0 | 0 | 200 | 0 |
| 2022-05 | 93,077 | 15,384 | 0 | 30 | 5 | 0 |
| 2022-06 | 93,691 | 624 | 0 | 10 | 0 | 0 |
| 2022-07 | 93,693 | 2 | 0 | 0 | 0 | 0 |
| 2022-08 | 93,628 | 0 | 0 | 65 | 0 | 0 |
| 2022-09 | 93,638 | 10 | 0 | 0 | 10 | 0 |
| 2022-10 | 93,638 | 0 | 0 | 0 | 0 | 0 |
| 2022-11 | 93,644 | 16 | 0 | 10 | 13 | 0 |
| 2022-12 | 93,635 | 0 | 0 | 9 | 0 | 0 |
| 2023-01 | 93,617 | 0 | 0 | 18 | 0 | 13 |
| 2023-02 | 93,440 | 0 | 0 | 177 | 0 | 0 |
| 2023-03 | 93,454 | 15 | 0 | 1 | 15 | 0 |
| 2023-04 | 93,453 | 0 | 0 | 1 | 0 | 0 |
| 2023-05 | 93,379 | 0 | 0 | 74 | 0 | 0 |
| 2023-06 | 93,373 | 2 | 0 | 8 | 1 | 0 |
| 2023-07 | 93,693 | 345 | 0 | 25 | 0 | 24 |
| 2023-08 | 92,839 | 29 | 0 | 883 | 26 | 0 |
| 2023-09 | 92,848 | 11 | 0 | 2 | 11 | 0 |
| 2023-10 | 92,849 | 1 | 0 | 0 | 0 | 0 |
| 2023-11 | 91,258 | 0 | 0 | 1,591 | 0 | 9 |
| 2023-12 | 76,589 | 4 | 0 | 14,673 | 0 | 153 |
| 2024-02 | 91,051 | 14,466 | 836 | 4 | 153 | 0 |
| 2024-03 | 91,006 | 0 | 0 | 45 | 0 | 0 |
| 2024-04 | 85,599 | 0 | 0 | 5,407 | 0 | 0 |
| 2024-05 | 79,150 | 2 | 0 | 6,451 | 2 | 0 |
| 2024-06 | 79,100 | 0 | 0 | 50 | 0 | 0 |
| 2024-07 | 78,846 | 0 | 0 | 254 | 0 | 0 |
| 2024-08 | 78,808 | 0 | 0 | 38 | 0 | 0 |
| 2024-09 | 77,161 | 1 | 0 | 1,648 | 1 | 0 |
| 2024-10 | 77,044 | 1 | 0 | 118 | 1 | 0 |
| 2024-11 | 77,038 | 2 | 0 | 8 | 0 | 0 |
| 2024-12 | 76,589 | 2 | 0 | 451 | 1 | 0 |
| 2025-01 | 76,589 | 0 | 0 | 0 | 0 | 0 |
| 2025-02 | 76,509 | 1 | 0 | 81 | 1 | 0 |
| 2025-03 | 76,509 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 76,516 | 16 | 0 | 9 | 15 | 0 |
| 2025-05 | 76,471 | 0 | 0 | 45 | 0 | 0 |
| 2025-06 | 71,921 | 500 | 0 | 5,050 | 494 | 0 |
| 2025-07 | 66,429 | 8 | 0 | 5,500 | 8 | 0 |
| 2025-08 | 66,492 | 70 | 0 | 7 | 0 | 0 |
| 2025-09 | 66,510 | 18 | 0 | 0 | 1 | 0 |
| 2025-10 | 66,429 | 0 | 0 | 81 | 0 | 0 |
| 2025-11 | 61,422 | 0 | 0 | 5,007 | 0 | 0 |
| 2025-12 | 60,748 | 0 | 0 | 674 | 0 | 0 |
| 2026-01 | 60,720 | 0 | 0 | 28 | 0 | 0 |
| 2026-02 | 58,691 | 0 | 0 | 2,029 | 0 | 0 |
| 2026-03 | 58,690 | 0 | 0 | 1 | 0 | 0 |
| 2026-04 | 58,691 | 1 | 0 | 0 | 1 | 0 |
| 2026-05 | 58,644 | 0 | 0 | 47 | 0 | 0 |
| 2026-06 | 57,652 | 0 | 0 | 992 | 0 | 0 |
| 2026-07 | 57,619 | 0 | 0 | 33 | 0 | 0 |
| 2026-08 | 56,358 | 0 | 0 | 1,261 | 0 | 0 |
| 2026-09 | 51,694 | 0 | 0 | 4,664 | 0 | 0 |
| 2026-10 | 50,710 | 0 | 0 | 984 | 0 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 97,815.0 |
| Harvested from disconnect pool | 2,508.0 |
| First assigned from spare pool | 7,632.0 |
| Reactivated own disconnects | 0.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 182,559.0 |
| Standard disconnect aging process (3+ months in DISC) | 0 |
| Abbreviated disconnect period (1–2 months in DISC) | 649 |
| Released directly to spare pool | 5,307.0 |
Of the 649 disconnect episodes this RespOrg has sent through aging, 100% were abbreviated (1–2 snapshots in DISC status). That's a strong early-disconnector signal, this RespOrg routinely releases numbers before the full 3–4 month aging window. Worth checking daily for vanity drops.
Top direct-transfer sources (INto HH)
| AT | 18,107.0 | AT&T |
| HV | 10,683.0 | Call Haven |
| XZ | 1,328.0 | TSG Global |
| MY | 1,283.0 | Mayfair Communication (Primetel) |
| VZ | 462.0 | Verizon Business (Verizon) |
| ZX | 178.0 | Haven Partners (CHP) |
| TW | 135.0 | Twilio |
| ND | 104.0 | NumberBarn |
| IV | 90.0 | XO Communications (Verizon) |
| NA | 65.0 | National Sales Partners |
Top direct-transfer destinations (OUT of HH)
| HV | 39,108.0 | Call Haven |
| MY | 4,840.0 | Mayfair Communication (Primetel) |
| XZ | 4,215.0 | TSG Global |
| BP | 3,530.0 | Five 9, Inc. |
| AU | 1,994.0 | NumHub |
| QY | 1,990.0 | Inteliquent |
| NJ | 1,988.0 | Number Prospectors (CHP) |
| ZX | 896.0 | Haven Partners (CHP) |
| NR | 552.0 | NOS Communications |
| NA | 292.0 | National Sales Partners |
Summary
Lifesize offers a suite of cloud contact center platforms, omnichannel support, inteligent routing, smart IVR, and AI and workforce engagement.
Top vanity holdings
Contact-form message
with a customer of Serenova (Lifesize)