NumberResearchThousands-blocks in 908-603
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 908-603 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 908 blocks
Most active assignees, all time — NPA 908
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 908-603-0XXX | 0000–0999 | Reserved | PAETEC ITEL, LLC | 829J | CRANFORD | NJ |
| — | 908-603-1XXX | 1000–1999 | Reserved | PAETEC ITEL, LLC | 829J | CRANFORD | NJ |
| — | 908-603-2XXX | 2000–2999 | Reserved | PAETEC ITEL, LLC | 829J | CRANFORD | NJ |
| 2018-04-03 | 908-603-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | CRANFORD | NJ |
| 2007-07-18 | 908-603-4XXX | 4000–4999 | Assigned | PAETEC ITEL, LLC | 829J | CRANFORD | NJ |
| — | 908-603-5XXX | 5000–5999 | Assigned (pending) | CRANFORD | NJ | ||
| 2006-03-07 | 908-603-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | CRANFORD | NJ |
| 2008-01-08 | 908-603-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | CRANFORD | NJ |
| 2006-04-11 | 908-603-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | CRANFORD | NJ |
| 2007-09-05 | 908-603-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | CRANFORD | 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.