Resporgs.com

ZipDX ZU

Enhanced Voicemail Service

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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
205
#340 of 481
Change over 4 years
-19
-8.5%
Opportunism Index
0.00%
Harvested 0 / acquired 17
Vanity matches
31.6%
Median inventory age
123 mo
10.2 years since last change
Sub-codes in use
1
ZUO01

Inventory by NPA

59
800
56
888
30
877
6
866
25
855
27
844
2
833

Click any NPA for total pool inventory across the industry.

By status

  • WORKING 191 · 100.0%

Inventory age buckets

  • 3–12 months 1 · 0.5%
  • 2–5 years 5 · 2.4%
  • 5+ years 185 · 88.5%

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
2241681125602018-032022-112026-04
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

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg0.0
Harvested from disconnect pool0.0
First assigned from spare pool1.0
Reactivated own disconnects0.0

Outbound (numbers lost)

Direct transfer to another RespOrg0.0
Standard disconnect aging process (3+ months in DISC)19
Abbreviated disconnect period (1–2 months in DISC)0
Released directly to spare pool0.0

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 vanity holdings

844RITCHIE 866FRANKEL 855FRANKEL 800FRANKEL 844FRANKEL 877FRANKEL 888FRANKEL 844ENTRADA 844TISHMAN 844TISHMAN 844TISHMAN 855CANKAYA 855BANKAYA 855CANKAYA 877KARMAPA 877JASMARC 877KARMAPA 855CAMIBRA 855ACM ICPC 855COURTII 888ZHUBOBO 877LAKESII 855C COLILI 855CAMPKUT 855CAMSLUT 855ABOSLUT 855GTRACKR 877POT TAPE 800NEATIDO 855UKLUKLA 855UKLUKLA 844BANTABA 844ABOUBBC 844BANTABA 855CAMPLEE 844VISINAR 844VISINAR 855YUELERI 877KARMASO 877KARNASO 877LOVIDIA 888IEBRIKO 888SPAENCE 866BILETEN 866BILETEN 866BILETDO 888SUETATE 888QUETATE 877YOUHEIA 855CANIDHI 855ACNIDHI 888XYWAXFF 844THITGIA 844OLAHIGH 855UNAI TEA 888WGPFWIG 888WEIREBB 888WISEWEE 888WISEZUZ 844THITHIS

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.

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