NumberResearchThousands-blocks in 609-643
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 609-643 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
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-02-14 | 609-643-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | EWING | NJ |
| 2009-03-26 | 609-643-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | EWING | NJ |
| 2009-03-26 | 609-643-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | EWING | NJ |
| 2009-03-26 | 609-643-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | EWING | NJ |
| — | 609-643-4XXX | 4000–4999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | EWING | NJ |
| 2005-11-29 | 609-643-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | EWING | NJ |
| 2007-05-02 | 609-643-6XXX | 6000–6999 | Assigned | ONVOY, LLC - NJ | 637C | EWING | NJ |
| 2019-05-21 | 609-643-7XXX | 7000–7999 | Assigned | CORETEL NEW JERSEY, INC. - NJ | 482F | EWING | NJ |
| 2015-10-14 | 609-643-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | EWING | NJ |
| 2020-02-06 | 609-643-9XXX | 9000–9999 | Assigned | ONVOY, LLC - NJ | 637C | EWING | 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.