NumberResearchThousands-blocks in 973-346
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 973-346 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 973 blocks
Most active assignees, all time — NPA 973
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 |
|---|---|---|---|---|---|---|---|
| 2019-12-10 | 973-346-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | MILLBURN | NJ |
| 2006-11-03 | 973-346-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | MILLBURN | NJ |
| 2015-04-22 | 973-346-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - NJ | 118F | MILLBURN | NJ |
| 2019-03-19 | 973-346-3XXX | 3000–3999 | Assigned | CORETEL NEW JERSEY, INC. - NJ | 482F | MILLBURN | NJ |
| 2005-10-21 | 973-346-4XXX | 4000–4999 | Assigned | ONVOY, LLC - NJ | 637C | MILLBURN | NJ |
| 2026-04-27 | 973-346-5XXX | 5000–5999 | Assigned | ONVOY, LLC - NJ | 637C | MILLBURN | NJ |
| 2005-10-21 | 973-346-6XXX | 6000–6999 | Assigned | ONVOY, LLC - NJ | 637C | MILLBURN | NJ |
| 2005-10-21 | 973-346-7XXX | 7000–7999 | Assigned | ONVOY, LLC - NJ | 637C | MILLBURN | NJ |
| 2002-03-08 | 973-346-8XXX | 8000–8999 | Assigned | COOPERATIVE COMMUNICATIONS, INC. | 8407 | MILLBURN | NJ |
| 2020-04-01 | 973-346-9XXX | 9000–9999 | Assigned | ONVOY, LLC - NJ | 637C | MILLBURN | NJ |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.