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ZipDX

Enhanced Voicemail Service

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ZipDX ZipDX LLC is a privately-held company providing advanced audio conferencing services, featuring patented 'no-codes' conferencing, 'call-me' capabilities, secure meetings, calendar integration, and competitive rates. It is headquartered in L… read more ↓

Transfer network

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

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Transfer Funnel (acquired at a drop, then moved on) Off-hours fast pickup
ZipDX website screenshot
Website, visit, full size
Based in Monte Sereno, CA
Based in Monte Sereno, CA, street view, full size
Based in Monte Sereno, CA
Based in Monte Sereno, CA, satellite, full size

At a glance

Active numbers
204
#332 of 481
Change over 4 years
-20
-8.9%
Opportunism Index
0.00%
Harvested 0 / acquired 18
Vanity matches
40.5%
Median inventory age
125 mo
10.4 years since last change
Sub-codes in use
1
ZUO01

Inventory by NPA

57
800
57
888
30
877
6
866
25
855
27
844
2
833

Click any NPA for total pool inventory across the industry.

By status

  • WORKING 190, 100.0%

Inventory age buckets

  • 1–3 months 1, 0.4%
  • 3–12 months 1, 0.4%
  • 2–5 years 5, 2.2%
  • 5+ years 183, 80.6%

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

Total active inventory Numbers harvested from disconnect pool that month
2241681125602018-032022-122026-06
Show monthly numbers
MonthInventoryAcquiredHarvestedLostFrom spareTo spare
2018-03 224 0 0 0 0 0
2018-06 224 0 0 0 0 0
2018-09 224 0 0 0 0 0
2018-10 224 0 0 0 0 0
2018-11 224 0 0 0 0 0
2018-12 224 0 0 0 0 0
2019-01 224 0 0 0 0 0
2019-02 224 0 0 0 0 0
2019-03 224 0 0 0 0 0
2019-04 224 0 0 0 0 0
2019-05 224 0 0 0 0 0
2019-06 224 0 0 0 0 0
2019-08 208 0 0 16 0 16
2019-09 224 16 0 0 16 0
2019-10 223 0 0 1 0 0
2019-11 223 0 0 0 0 0
2019-12 223 0 0 0 0 0
2020-01 223 0 0 0 0 0
2020-02 223 0 0 0 0 0
2020-03 223 0 0 0 0 0
2020-04 223 0 0 0 0 0
2020-05 223 0 0 0 0 0
2020-06 223 0 0 0 0 0
2020-07 223 0 0 0 0 0
2020-08 223 0 0 0 0 0
2020-09 223 0 0 0 0 0
2020-10 223 0 0 0 0 0
2020-11 223 0 0 0 0 0
2020-12 223 0 0 0 0 0
2021-01 223 0 0 0 0 0
2021-02 223 0 0 0 0 0
2021-03 223 0 0 0 0 0
2021-04 223 0 0 0 0 0
2021-05 223 0 0 0 0 0
2022-05 223 0 0 0 0 0
2022-06 223 0 0 0 0 0
2022-07 223 0 0 0 0 0
2022-08 223 0 0 0 0 0
2022-09 223 0 0 0 0 0
2022-10 223 0 0 0 0 0
2022-11 223 0 0 0 0 0
2022-12 223 0 0 0 0 0
2023-01 223 0 0 0 0 0
2023-02 223 0 0 0 0 0
2023-03 223 0 0 0 0 0
2023-04 223 0 0 0 0 0
2023-05 223 0 0 0 0 0
2023-06 223 0 0 0 0 0
2023-07 223 0 0 0 0 0
2023-08 223 0 0 0 0 0
2023-09 223 0 0 0 0 0
2023-10 223 0 0 0 0 0
2023-11 223 0 0 0 0 0
2023-12 224 1 0 0 1 0
2024-02 224 0 0 0 0 0
2024-03 224 0 0 0 0 0
2024-04 224 0 0 0 0 0
2024-05 224 0 0 0 0 0
2024-06 224 0 0 0 0 0
2024-07 224 0 0 0 0 0
2024-08 224 0 0 0 0 0
2024-09 224 0 0 0 0 0
2024-10 224 0 0 0 0 0
2024-11 224 0 0 0 0 0
2024-12 224 0 0 0 0 0
2025-01 224 0 0 0 0 0
2025-02 224 0 0 0 0 0
2025-03 224 0 0 0 0 0
2025-04 224 0 0 0 0 0
2025-05 224 0 0 0 0 0
2025-06 224 0 0 0 0 0
2025-07 224 0 0 0 0 0
2025-08 224 0 0 0 0 0
2025-09 224 0 0 0 0 0
2025-10 224 0 0 0 0 0
2025-11 224 0 0 0 0 0
2025-12 224 0 0 0 0 0
2026-01 205 0 0 19 0 0
2026-02 205 0 0 0 0 0
2026-03 205 0 0 0 0 0
2026-04 205 0 0 0 0 0
2026-05 205 0 0 0 0 0
2026-06 204 1 0 2 0 0

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg3.0
Harvested from disconnect pool0.0
First assigned from spare pool51.0
Reactivated own disconnects0.0

Outbound (numbers lost)

Direct transfer to another RespOrg6.0
Standard disconnect aging process (3+ months in DISC)19
Abbreviated disconnect period (1–2 months in DISC)0
Released directly to spare pool32.0

Of the 19 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 ZU)

ZX1.0Haven Partners (CHP)

Top direct-transfer destinations (OUT of ZU)

ZX2.0Haven Partners (CHP)
LQ1.0Inteliquent

Summary

ZipDX is a powerful telephone conferencing service.

About ZipDX

ZipDX LLC is a privately-held company providing advanced audio conferencing services, featuring patented 'no-codes' conferencing, 'call-me' capabilities, secure meetings, calendar integration, and competitive rates. It is headquartered in Los Gatos or Monte Sereno, California, United States, with no specific year founded identified in available sources. The company appears small-scale, focused on executive, multilingual, and secure conference calls, with no known parent or holding company.

AI-generated summary (confidence: low), last updated 2026-04-30. Verify against primary sources before quoting.

Top vanity holdings

844RITCHIE 877FRANKEL 855FRANKEL 866FRANKEL 800FRANKEL 844FRANKEL 888FRANKEL 855HURTBLST 855CAMPLED 844CAMTACA 8554-TRACKS 888PLAN-004 888PLAN-002 888WISE-919 844UH-HUH-43 888WISE-987 888GEAR-456 888PLAN-004 8775-NVIDIA 888WISE-989 855BANK-292 888PLAN-002 855BANK-454 844PITCH-43 855CAMI-272 844UH-HUH-45 8779-NVIDIA 888PLAN-001 88843-ASILO 888PLAN-001 888432-SILO 844ENTRADA 844TISHMAN 844TISHMAN 844TISHMAN 855BANKAYA 855CANKAYA 855CANKAYA 877SOULVAPES 877JASMARC 877KARMAPA 877KARMAPA 855CAMIBRA 855ACM ICPC 855COURTII 888ZHUBOBO 877LAKESII 855C COLILI 855ABOSLUT 855CAMPKUT 855CAMSLUT 855GTRACKR 877POT TAPE 800NEATIDO 855UKLUKLA 855UKLUKLA 844BANTABA 844ABOUBBC 844BANTABA 855CAMPLEE

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