NumberResearchThousands-blocks in 434-812
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 434-812 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 434 blocks
Most active assignees, all time — NPA 434
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 434-812-0XXX | 0000–0999 | Reserved | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | CROZET | VA |
| 2018-11-28 | 434-812-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF VIRGINIA, LLC - VA | 275G | CROZET | VA |
| 2015-03-05 | 434-812-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | CROZET | VA |
| 2011-09-13 | 434-812-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - VA | 079F | CROZET | VA |
| 2015-01-29 | 434-812-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - VA | 7238 | CROZET | VA |
| 2020-04-02 | 434-812-5XXX | 5000–5999 | Assigned | ONVOY, LLC - VA | 138E | CROZET | VA |
| 2012-06-22 | 434-812-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - VA | 4644 | CROZET | VA |
| 2020-10-02 | 434-812-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF VIRGINIA, LLC - VA | 275G | CROZET | VA |
| 2019-11-25 | 434-812-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | CROZET | VA |
| 2020-04-02 | 434-812-9XXX | 9000–9999 | Assigned | ONVOY, LLC - VA | 138E | CROZET | VA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.