NumberResearchThousands-blocks in 609-512
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 609-512 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
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2021-11-21 | 609-512-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | LAWRENCEVL | NJ |
| 2005-04-25 | 609-512-1XXX | 1000–1999 | Assigned | COMCAST IP PHONE, LLC | 318J | LAWRENCEVL | NJ |
| 2006-07-17 | 609-512-2XXX | 2000–2999 | Assigned | PAETEC ITEL, LLC | 829J | LAWRENCEVL | NJ |
| 2003-09-09 | 609-512-3XXX | 3000–3999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | 7142 | LAWRENCEVL | NJ |
| 2008-05-22 | 609-512-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | LAWRENCEVL | NJ |
| 2015-05-01 | 609-512-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - NJ | 118F | LAWRENCEVL | NJ |
| 2008-02-08 | 609-512-6XXX | 6000–6999 | Assigned | YMAX COMMUNICATIONS CORP. - NJ | 325E | LAWRENCEVL | NJ |
| 2007-09-28 | 609-512-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | LAWRENCEVL | NJ |
| 2010-04-27 | 609-512-8XXX | 8000–8999 | Assigned | ONVOY, LLC - NJ | 637C | LAWRENCEVL | NJ |
| — | 609-512-9XXX | 9000–9999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | 7142 | LAWRENCEVL | 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.