
XO Communications IV
alias: Part of Verizon now
At a glance
Active numbers
6,860
#186 of 481
Change over 4 years
-2,861
-29.4%
Opportunism Index
0.00%
Harvested 0 / acquired 28
Vanity matches
12.8%
#166 of 201
Median inventory age
102 mo
8.5 years since last change
#32 of 201 oldest
#32 of 201 oldest
Sub-codes in use
3
IVN99, IVN04, IVN01
Inventory by NPA
By status
- WORKING 6,846 · 100.0%
Inventory age buckets
- 5+ years 6,846 · 96.0%
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
Show monthly numbers
| Month | Inventory | Acquired | Harvested | Lost | From spare | To spare |
|---|---|---|---|---|---|---|
| 2022-06 | 9,721 | 0 | 0 | 0 | 0 | 0 |
| 2022-07 | 8,634 | 0 | 0 | 1,087 | 0 | 0 |
| 2022-08 | 8,634 | 0 | 0 | 0 | 0 | 0 |
| 2022-09 | 8,634 | 0 | 0 | 0 | 0 | 0 |
| 2022-10 | 8,634 | 0 | 0 | 0 | 0 | 0 |
| 2022-11 | 8,628 | 0 | 0 | 6 | 0 | 0 |
| 2022-12 | 8,625 | 0 | 0 | 3 | 0 | 0 |
| 2023-01 | 8,625 | 0 | 0 | 0 | 0 | 0 |
| 2023-02 | 8,625 | 0 | 0 | 0 | 0 | 0 |
| 2023-03 | 8,625 | 0 | 0 | 0 | 0 | 0 |
| 2023-04 | 8,625 | 0 | 0 | 0 | 0 | 0 |
| 2023-05 | 8,627 | 2 | 0 | 0 | 0 | 0 |
| 2023-06 | 8,614 | 0 | 0 | 13 | 0 | 0 |
| 2023-09 | 8,614 | 0 | 0 | 0 | 0 | 0 |
| 2023-10 | 8,614 | 0 | 0 | 0 | 0 | 0 |
| 2023-11 | 8,614 | 0 | 0 | 0 | 0 | 0 |
| 2023-12 | 8,588 | 0 | 0 | 26 | 0 | 0 |
| 2024-02 | 8,614 | 26 | 0 | 0 | 0 | 0 |
| 2024-03 | 8,613 | 0 | 0 | 1 | 0 | 0 |
| 2024-05 | 8,613 | 0 | 0 | 0 | 0 | 0 |
| 2024-06 | 8,613 | 0 | 0 | 0 | 0 | 0 |
| 2024-07 | 8,613 | 0 | 0 | 0 | 0 | 0 |
| 2024-08 | 8,612 | 0 | 0 | 1 | 0 | 0 |
| 2024-09 | 8,610 | 0 | 0 | 2 | 0 | 0 |
| 2024-10 | 8,603 | 0 | 0 | 7 | 0 | 0 |
| 2024-11 | 8,595 | 0 | 0 | 8 | 0 | 0 |
| 2024-12 | 8,589 | 0 | 0 | 6 | 0 | 0 |
| 2025-01 | 8,554 | 0 | 0 | 35 | 0 | 0 |
| 2025-02 | 8,536 | 0 | 0 | 18 | 0 | 0 |
| 2025-03 | 8,536 | 0 | 0 | 0 | 0 | 0 |
| 2025-04 | 8,520 | 0 | 0 | 16 | 0 | 0 |
| 2025-05 | 8,520 | 0 | 0 | 0 | 0 | 0 |
| 2025-06 | 8,480 | 0 | 0 | 40 | 0 | 0 |
| 2025-07 | 8,421 | 0 | 0 | 59 | 0 | 0 |
| 2025-08 | 8,353 | 0 | 0 | 68 | 0 | 0 |
| 2025-09 | 8,352 | 0 | 0 | 1 | 0 | 0 |
| 2025-10 | 8,352 | 0 | 0 | 0 | 0 | 0 |
| 2025-11 | 8,324 | 0 | 0 | 28 | 0 | 0 |
| 2025-12 | 8,323 | 0 | 0 | 1 | 0 | 0 |
| 2026-01 | 6,860 | 0 | 0 | 1,463 | 0 | 0 |
| 2026-02 | 6,860 | 0 | 0 | 0 | 0 | 0 |
| 2026-03 | 6,860 | 0 | 0 | 0 | 0 | 0 |
| 2026-04 | 6,860 | 0 | 0 | 0 | 0 | 0 |
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 56.0 |
| Harvested from disconnect pool | 0.0 |
| First assigned from spare pool | 0.0 |
| Reactivated own disconnects | 0.0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 2,888.0 |
| Standard disconnect aging process (3+ months in DISC) | 1 |
| Abbreviated disconnect period (1–2 months in DISC) | 1,630 |
| Released directly to spare pool | 0.0 |
Of the 1,631 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 vanity holdings
877WIRELESS
800CONDUIT
800CONDUIT
866TRADERS
844TUBETNR
800ZETLAND
866VICKERS
800CONDUIT
866METERING
877VIAGGIO
877VIAGGIO
877VIAGGIO
800WETLAND
888KANCHAN
888LAOBIAO
888GIELIII
855IS YOURS
844TUBETOP
855MADEOFF
877HUA SONG
877HUA RONG
877HUASONG
855ELLEDGE
888VERIMED
888VERIMED
888VERIMED
800WATCHON
866SNOBALL
866SNOBALL
866ROMBALL
866LOVEPIN
888LOUIEOF
800
800WEBRIEF
800WEBRIDE
800DR WAYNE
800DR WAYNE
877ELFFNER
866HAVERGO
866HAVERGO
844HOUYUAN
877AS A SUBSCRIPTI
877ARASTAR
877ARCSTAR
877AWAYTHE
877AWAYTHE
855RIDOLFI
855RIDOLFI
800HAIRSAY
800HAIRPAY
855ALERT IS
855BKEQUHR
888PALIWAL
888PALIWAL
888PALIWAL
866MATERIO
866MATERIO
800JUICEUP
800JUICEUS
800JUICEUP
Summary
This is the Telco Verizon, not the Verizon Cellular.


