Zultys UR

VOIP Service

Zultys  website screenshot
Website · visit · full size
Based in Sunnyvale, CA
Based in Sunnyvale, CA · street view · full size
Based in Sunnyvale, CA
Based in Sunnyvale, CA · satellite · full size

At a glance

Active numbers
5,052
#198 of 481
Change over 4 years
+2,294
+83.2%
Opportunism Index
0.08%
#196 of 228
Vanity matches
20.8%
#91 of 201
Median inventory age
3 mo
0.2 years since last change
#181 of 201 oldest
Sub-codes in use
2
URZ01, URZ02

Inventory by NPA

1,880
800
723
888
719
877
566
866
429
855
395
844
340
833

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.

Request a manual history review of a specific toll-free number →

Trajectory

Total active inventory Numbers harvested from disconnect pool that month
5K4K3K1K02022-062024-072026-04
Show monthly numbers
MonthInventoryAcquiredHarvestedLostFrom spareTo spare
2022-06 2,758 0 0 0 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
2023-09 3,671 72 0 14 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
2024-05 3,814 78 0 12 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 RespOrg8,385.0
Harvested from disconnect pool9.0
First assigned from spare pool2,556.0
Reactivated own disconnects6.0

Outbound (numbers lost)

Direct transfer to another RespOrg4,944.0
Standard disconnect aging process (3+ months in DISC)12
Abbreviated disconnect period (1–2 months in DISC)18
Released directly to spare pool424.0

Of the 30 disconnect episodes this RespOrg has sent through aging, 60% were abbreviated (1–2 snapshots in DISC status).

Top direct-transfer sources (INto UR)

KS519.0Lumen Technologies (Lumen)
JY496.0Bandwidth
LG253.0Lumen Technologies (Lumen)
AU161.0ATL Communications (ATLC)
LQ140.0Inteliquent
JT108.0Comcast
RS85.0AccessLine
VZ84.0Verizon Business (Verizon)
RB79.0RingCentral
YV59.0Invoca

Top direct-transfer destinations (OUT of UR)

KS295.0Lumen Technologies (Lumen)
JY142.0Bandwidth
LG121.0Lumen Technologies (Lumen)
RB92.0RingCentral
LQ90.0Inteliquent
OT62.0Vonage
RS40.0AccessLine
BP36.0Five 9, Inc.
VN25.0thinQ
JT23.0Comcast

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.

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