NumberResearchThousands-blocks in 201-781
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 201-781 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
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 201-781-0XXX | 0000–0999 | Reserved | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTWOOD | NJ |
| 2012-11-07 | 201-781-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | WESTWOOD | NJ |
| 2011-03-08 | 201-781-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - NJ | 118F | WESTWOOD | NJ |
| — | 201-781-3XXX | 3000–3999 | Reserved | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTWOOD | NJ |
| 2002-03-14 | 201-781-4XXX | 4000–4999 | Assigned | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | 3639 | WESTWOOD | NJ |
| 2011-04-28 | 201-781-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - NJ | 118F | WESTWOOD | NJ |
| 2005-07-05 | 201-781-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTWOOD | NJ |
| 2005-07-05 | 201-781-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WESTWOOD | NJ |
| 2017-04-24 | 201-781-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | WESTWOOD | NJ |
| — | 201-781-9XXX | 9000–9999 | Reserved | PAETEC ITEL, LLC | 829J | WESTWOOD | 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.