NumberResearchThousands-blocks in 434-272
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 434-272 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-08-05 | 434-272-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | SO BOSTON | VA |
| 2021-05-04 | 434-272-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SO BOSTON | VA |
| 2012-02-16 | 434-272-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | SO BOSTON | VA |
| — | 434-272-3XXX | 3000–3999 | Available | SO BOSTON | VA | ||
| 2012-12-03 | 434-272-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SO BOSTON | VA |
| 2013-02-26 | 434-272-5XXX | 5000–5999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | SO BOSTON | VA |
| 2012-06-27 | 434-272-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - VA | 4644 | SO BOSTON | VA |
| 2013-09-10 | 434-272-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | SO BOSTON | VA |
| 2008-11-06 | 434-272-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - VA | 079F | SO BOSTON | VA |
| 2010-02-04 | 434-272-9XXX | 9000–9999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | SO BOSTON | 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.