Zultys UR
- Website: https://www.zultys.com/ Domain since 2001 (25y)
At a glance
#181 of 201 oldest
Inventory by NPA
Click any NPA for total pool inventory across the industry.
By status
- WORKING 5,019 · 99.6%
- TRANSIT 19 · 0.4%
Inventory age buckets
- 1–3 months 56 · 1.0%
- 3–12 months 4,946 · 91.1%
- 1–2 years 9 · 0.2%
- 2–5 years 2 · 0.0%
- 5+ years 6 · 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.
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Trajectory
Show monthly numbers
| Month | Inventory | Acquired | Harvested | Lost | From spare | To spare |
|---|---|---|---|---|---|---|
| 2018-03 | 1,628 | 0 | 0 | 0 | 0 | 0 |
| 2018-06 | 1,674 | 56 | 1 | 10 | 1 | 2 |
| 2018-09 | 1,832 | 161 | 0 | 3 | 4 | 0 |
| 2018-10 | 1,853 | 23 | 0 | 2 | 0 | 0 |
| 2018-11 | 1,866 | 24 | 0 | 11 | 0 | 0 |
| 2018-12 | 1,902 | 39 | 0 | 3 | 1 | 1 |
| 2019-01 | 1,918 | 16 | 0 | 0 | 1 | 0 |
| 2019-02 | 1,930 | 17 | 0 | 5 | 1 | 0 |
| 2019-03 | 1,937 | 10 | 0 | 3 | 0 | 1 |
| 2019-04 | 1,961 | 24 | 0 | 0 | 1 | 0 |
| 2019-05 | 1,975 | 17 | 0 | 3 | 0 | 0 |
| 2019-06 | 2,013 | 49 | 1 | 11 | 0 | 0 |
| 2019-08 | 1,906 | 29 | 0 | 136 | 2 | 127 |
| 2019-09 | 2,033 | 151 | 0 | 24 | 127 | 0 |
| 2019-10 | 1,948 | 11 | 0 | 96 | 0 | 0 |
| 2019-11 | 1,962 | 25 | 0 | 11 | 2 | 0 |
| 2019-12 | 1,995 | 36 | 0 | 3 | 0 | 0 |
| 2020-01 | 2,040 | 53 | 0 | 8 | 0 | 0 |
| 2020-02 | 2,065 | 31 | 0 | 6 | 1 | 0 |
| 2020-03 | 2,074 | 12 | 0 | 3 | 0 | 0 |
| 2020-04 | 2,111 | 41 | 0 | 4 | 0 | 0 |
| 2020-05 | 2,123 | 13 | 0 | 1 | 0 | 0 |
| 2020-06 | 2,128 | 16 | 0 | 11 | 0 | 0 |
| 2020-07 | 2,145 | 23 | 0 | 6 | 0 | 0 |
| 2020-08 | 2,181 | 46 | 0 | 10 | 1 | 0 |
| 2020-09 | 2,194 | 15 | 0 | 2 | 1 | 0 |
| 2020-10 | 2,215 | 30 | 0 | 9 | 0 | 0 |
| 2020-11 | 2,226 | 22 | 0 | 11 | 2 | 0 |
| 2020-12 | 2,250 | 28 | 0 | 4 | 0 | 1 |
| 2021-01 | 2,262 | 17 | 0 | 5 | 0 | 0 |
| 2021-02 | 2,273 | 15 | 0 | 4 | 1 | 0 |
| 2021-03 | 2,295 | 24 | 0 | 2 | 2 | 0 |
| 2021-04 | 2,315 | 29 | 0 | 9 | 8 | 0 |
| 2021-05 | 2,324 | 27 | 0 | 18 | 1 | 0 |
| 2022-05 | 2,517 | 284 | 0 | 91 | 3 | 3 |
| 2022-06 | 2,758 | 242 | 0 | 1 | 0 | 0 |
| 2022-07 | 2,766 | 12 | 0 | 4 | 0 | 0 |
| 2022-08 | 2,792 | 26 | 0 | 0 | 0 | 0 |
| 2022-09 | 2,840 | 59 | 0 | 11 | 1 | 0 |
| 2022-10 | 2,859 | 20 | 0 | 1 | 0 | 0 |
| 2022-11 | 3,534 | 712 | 1 | 37 | 612 | 32 |
| 2022-12 | 3,552 | 21 | 0 | 3 | 0 | 0 |
| 2023-01 | 3,505 | 18 | 0 | 65 | 0 | 63 |
| 2023-02 | 3,513 | 24 | 0 | 16 | 0 | 0 |
| 2023-03 | 3,577 | 66 | 0 | 2 | 0 | 0 |
| 2023-04 | 3,580 | 30 | 0 | 27 | 0 | 0 |
| 2023-05 | 3,598 | 22 | 0 | 4 | 0 | 0 |
| 2023-06 | 3,613 | 20 | 0 | 5 | 1 | 0 |
| 2023-07 | 2,766 | 74 | 0 | 921 | 0 | 493 |
| 2023-08 | 3,652 | 970 | 7 | 84 | 493 | 0 |
| 2023-09 | 3,671 | 23 | 0 | 4 | 0 | 0 |
| 2023-10 | 3,671 | 33 | 0 | 33 | 0 | 0 |
| 2023-11 | 3,698 | 38 | 0 | 11 | 0 | 0 |
| 2023-12 | 4,385 | 779 | 0 | 92 | 13 | 0 |
| 2024-02 | 3,720 | 75 | 0 | 740 | 0 | 11 |
| 2024-03 | 3,748 | 36 | 0 | 8 | 0 | 0 |
| 2024-04 | 3,765 | 24 | 0 | 7 | 0 | 0 |
| 2024-05 | 3,814 | 54 | 0 | 5 | 0 | 0 |
| 2024-06 | 3,831 | 35 | 0 | 18 | 6 | 0 |
| 2024-07 | 3,870 | 44 | 0 | 5 | 0 | 0 |
| 2024-08 | 3,960 | 99 | 0 | 9 | 0 | 0 |
| 2024-09 | 4,088 | 133 | 0 | 5 | 1 | 0 |
| 2024-10 | 4,113 | 28 | 0 | 3 | 10 | 0 |
| 2024-11 | 4,340 | 243 | 2 | 16 | 0 | 0 |
| 2024-12 | 4,349 | 24 | 0 | 15 | 1 | 0 |
| 2025-01 | 4,423 | 94 | 0 | 20 | 4 | 0 |
| 2025-02 | 4,551 | 130 | 0 | 2 | 0 | 0 |
| 2025-03 | 4,551 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 4,518 | 21 | 0 | 54 | 1 | 0 |
| 2025-05 | 4,536 | 26 | 0 | 8 | 3 | 0 |
| 2025-06 | 4,544 | 20 | 0 | 12 | 0 | 0 |
| 2025-07 | 4,711 | 172 | 0 | 5 | 149 | 0 |
| 2025-08 | 4,739 | 37 | 0 | 9 | 13 | 0 |
| 2025-09 | 4,771 | 42 | 0 | 10 | 3 | 0 |
| 2025-10 | 4,796 | 32 | 0 | 7 | 20 | 0 |
| 2025-11 | 4,997 | 206 | 0 | 5 | 2 | 0 |
| 2025-12 | 5,023 | 29 | 0 | 3 | 3 | 0 |
| 2026-01 | 5,043 | 32 | 0 | 12 | 9 | 0 |
| 2026-02 | 5,033 | 14 | 0 | 24 | 0 | 0 |
| 2026-03 | 5,059 | 28 | 0 | 2 | 0 | 0 |
| 2026-04 | 5,052 | 20 | 0 | 27 | 0 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 8,385.0 |
| Harvested from disconnect pool | 9.0 |
| First assigned from spare pool | 2,556.0 |
| Reactivated own disconnects | 6.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 4,944.0 |
| Standard disconnect aging process (3+ months in DISC) | 12 |
| Abbreviated disconnect period (1–2 months in DISC) | 18 |
| Released directly to spare pool | 424.0 |
Of the 30 disconnect episodes this RespOrg has sent through aging, 60% were abbreviated (1–2 snapshots in DISC status).
Top vanity holdings
Summary
Founded in 2001 as a VoIP service, Zultys has been growing with constant innovation for over twenty years, establishing itself as a financially strong, stable, market-leading company in the Unified Communications (UCaaS) industry and continually reinvesting in its technology and growth.
About Zultys
Zultys is a private company founded prior to 2006 that provides unified communications platforms, including IP phone systems integrating voice, video, data, and mobility for businesses of all sizes.[1][2][6] Headquartered in Sunnyvale, California, it operates without a known parent or holding company and employs approximately 135 people with reported revenue of $20.8 million.[2]
AI-generated summary (confidence: medium), last updated 2026-04-30. Verify against primary sources before quoting.
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