NumberResearchThousands-blocks in 904-371
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 904-371 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 904 blocks
Most active assignees, all time — NPA 904
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2004-06-16 | 904-371-0XXX | 0000–0999 | Assigned | POWERTEL JACKSONVILLE LICENSES, INC. | 7472 | JACKSONVL | FL |
| — | 904-371-1XXX | 1000–1999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | JACKSONVL | FL |
| — | 904-371-2XXX | 2000–2999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | JACKSONVL | FL |
| — | 904-371-3XXX | 3000–3999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | JACKSONVL | FL |
| — | 904-371-4XXX | 4000–4999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | JACKSONVL | FL |
| — | 904-371-5XXX | 5000–5999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | JACKSONVL | FL |
| — | 904-371-6XXX | 6000–6999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | JACKSONVL | FL |
| — | 904-371-7XXX | 7000–7999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | JACKSONVL | FL |
| — | 904-371-8XXX | 8000–8999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | JACKSONVL | FL |
| — | 904-371-9XXX | 9000–9999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | JACKSONVL | FL |
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.