NumberResearchThousands-blocks in 973-554
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 973-554 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-06-15 | 973-554-0XXX | 0000–0999 | Assigned | IP HORIZON LLC | 515J | ROCKAWAY | NJ |
| 2018-10-31 | 973-554-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF NEW JERSEY, LLC - NJ | 264F | ROCKAWAY | NJ |
| 2024-01-11 | 973-554-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ROCKAWAY | NJ |
| 2020-02-19 | 973-554-3XXX | 3000–3999 | Assigned | PEERLESS NETWORK OF NEW JERSEY, LLC - NJ | 264F | ROCKAWAY | NJ |
| 2019-04-05 | 973-554-4XXX | 4000–4999 | Assigned | ONVOY, LLC - NJ | 637C | ROCKAWAY | NJ |
| 2018-09-10 | 973-554-5XXX | 5000–5999 | Assigned | BLUEBIRD COMMUNICATIONS, LLC - NJ | 999H | ROCKAWAY | NJ |
| 2017-05-15 | 973-554-6XXX | 6000–6999 | Assigned | CABLEVISION LIGHTPATH, INC. - NJ | 4948 | ROCKAWAY | NJ |
| 2017-07-17 | 973-554-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - NJ | 7142 | ROCKAWAY | NJ |
| 2019-04-05 | 973-554-8XXX | 8000–8999 | Assigned | ONVOY, LLC - NJ | 637C | ROCKAWAY | NJ |
| 2019-04-05 | 973-554-9XXX | 9000–9999 | Assigned | ONVOY, LLC - NJ | 637C | ROCKAWAY | 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.