NumberResearchThousands-blocks in 609-301
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 609-301 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 |
|---|---|---|---|---|---|---|---|
| 2010-01-27 | 609-301-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - NJ | 118F | HIGHTSTOWN | NJ |
| 2004-02-26 | 609-301-1XXX | 1000–1999 | Assigned | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | 3639 | HIGHTSTOWN | NJ |
| 2023-09-21 | 609-301-2XXX | 2000–2999 | Assigned | ONVOY, LLC - NJ | 637C | HIGHTSTOWN | NJ |
| 2022-01-14 | 609-301-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HIGHTSTOWN | NJ |
| 2003-12-22 | 609-301-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | HIGHTSTOWN | NJ |
| 2005-06-17 | 609-301-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | HIGHTSTOWN | NJ |
| 2005-06-17 | 609-301-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | HIGHTSTOWN | NJ |
| 2007-11-08 | 609-301-7XXX | 7000–7999 | Assigned | CSC VOICE, LLC | 612K | HIGHTSTOWN | NJ |
| 2004-02-05 | 609-301-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | HIGHTSTOWN | NJ |
| 2010-03-05 | 609-301-9XXX | 9000–9999 | Assigned | ONVOY, LLC - NJ | 637C | HIGHTSTOWN | 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.