NumberResearchThousands-blocks in 609-566
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 609-566 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 609 blocks
Most active assignees, all time — NPA 609
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-12-06 | 609-566-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | LAMBERTVL | NJ |
| 2017-04-14 | 609-566-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | LAMBERTVL | NJ |
| 2019-05-14 | 609-566-2XXX | 2000–2999 | Assigned | CORETEL NEW JERSEY, INC. - NJ | 482F | LAMBERTVL | NJ |
| 2004-08-04 | 609-566-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | LAMBERTVL | NJ |
| 2008-02-08 | 609-566-4XXX | 4000–4999 | Assigned | YMAX COMMUNICATIONS CORP. - NJ | 325E | LAMBERTVL | NJ |
| 2019-05-14 | 609-566-5XXX | 5000–5999 | Assigned | CORETEL NEW JERSEY, INC. - NJ | 482F | LAMBERTVL | NJ |
| 2013-11-21 | 609-566-6XXX | 6000–6999 | Assigned | ONVOY, LLC - NJ | 637C | LAMBERTVL | NJ |
| — | 609-566-7XXX | 7000–7999 | Reserved | PAETEC ITEL, LLC | 829J | LAMBERTVL | NJ |
| 2020-06-05 | 609-566-8XXX | 8000–8999 | Assigned | ONVOY, LLC - NJ | 637C | LAMBERTVL | NJ |
| 2020-06-05 | 609-566-9XXX | 9000–9999 | Assigned | ONVOY, LLC - NJ | 637C | LAMBERTVL | 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.