NumberResearchThousands-blocks in 973-218
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 973-218 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 973-218-0XXX | 0000–0999 | Reserved | VERIZON NEW JERSEY, INC. | 9206 | MILLBURN | NJ |
| — | 973-218-1XXX | 1000–1999 | Reserved | VERIZON NEW JERSEY, INC. | 9206 | MILLBURN | NJ |
| — | 973-218-2XXX | 2000–2999 | Reserved | VERIZON NEW JERSEY, INC. | 9206 | MILLBURN | NJ |
| 2016-04-25 | 973-218-3XXX | 3000–3999 | Assigned | HD CARRIER LLC | 321J | MILLBURN | NJ |
| 2020-04-01 | 973-218-4XXX | 4000–4999 | Assigned | ONVOY, LLC - NJ | 637C | MILLBURN | NJ |
| 2015-04-22 | 973-218-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - NJ | 118F | MILLBURN | NJ |
| 2007-02-16 | 973-218-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | MILLBURN | NJ |
| 2005-01-05 | 973-218-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | MILLBURN | NJ |
| 2002-01-30 | 973-218-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILLBURN | NJ |
| — | 973-218-9XXX | 9000–9999 | Reserved | VERIZON NEW JERSEY, INC. | 9206 | 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.