NumberResearchThousands-blocks in 201-530
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 201-530 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 201 blocks
Most active assignees, all time — NPA 201
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 201-530-0XXX | 0000–0999 | Reserved | VERIZON NEW JERSEY, INC. | 9206 | TEANECK | NJ |
| — | 201-530-1XXX | 1000–1999 | Reserved | VERIZON NEW JERSEY, INC. | 9206 | TEANECK | NJ |
| — | 201-530-2XXX | 2000–2999 | Reserved | VERIZON NEW JERSEY, INC. | 9206 | TEANECK | NJ |
| — | 201-530-3XXX | 3000–3999 | Reserved | VERIZON NEW JERSEY, INC. | 9206 | TEANECK | NJ |
| 2013-03-19 | 201-530-4XXX | 4000–4999 | Assigned | IP HORIZON LLC | 515J | TEANECK | NJ |
| 2008-07-10 | 201-530-5XXX | 5000–5999 | Assigned | CSC VOICE, LLC | 612K | TEANECK | NJ |
| 2011-04-28 | 201-530-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - NJ | 118F | TEANECK | NJ |
| 2006-09-19 | 201-530-7XXX | 7000–7999 | Assigned | CSC VOICE, LLC | 612K | TEANECK | NJ |
| 2010-08-11 | 201-530-8XXX | 8000–8999 | Assigned | ONVOY, LLC - NJ | 637C | TEANECK | NJ |
| 2026-04-06 | 201-530-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | TEANECK | 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.