NumberResearchThousands-blocks in 856-575
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026
The ten 1,000-number thousand-blocks inside prefix 856-575 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 856 blocks
Most active assignees, all time — NPA 856
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 856-575-0XXX | 0000–0999 | Reserved | VERIZON NEW JERSEY, INC. | 9206 | BRIDGETON | NJ |
| 2008-11-05 | 856-575-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - NJ | 118F | BRIDGETON | NJ |
| 2010-12-16 | 856-575-2XXX | 2000–2999 | Assigned | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | BRIDGETON | NJ |
| 2020-12-28 | 856-575-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | BRIDGETON | NJ |
| — | 856-575-4XXX | 4000–4999 | Reserved | VERIZON NEW JERSEY, INC. | 9206 | BRIDGETON | NJ |
| — | 856-575-5XXX | 5000–5999 | Reserved | VERIZON NEW JERSEY, INC. | 9206 | BRIDGETON | NJ |
| 2008-09-03 | 856-575-6XXX | 6000–6999 | Assigned | BLOCK LINE SYSTEMS, LLC - NJ | 835E | BRIDGETON | NJ |
| 2011-02-23 | 856-575-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | BRIDGETON | NJ |
| 2011-02-23 | 856-575-8XXX | 8000–8999 | Assigned | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | BRIDGETON | NJ |
| 2024-10-22 | 856-575-9XXX | 9000–9999 | Assigned | BOOST SUBSCRIBERCO L.L.C. | 490J | BRIDGETON | NJ |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.