NumberResearchThousands-blocks in 804-312
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 804-312 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 804 blocks
Most active assignees, all time — NPA 804
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-09-16 | 804-312-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CHESTER | VA |
| 2003-08-13 | 804-312-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | CHESTER | VA |
| 2002-02-15 | 804-312-2XXX | 2000–2999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - VA | 4644 | CHESTER | VA |
| 2016-02-03 | 804-312-3XXX | 3000–3999 | Assigned | ONVOY, LLC - VA | 138E | CHESTER | VA |
| 2011-05-18 | 804-312-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHESTER | VA |
| 2016-02-03 | 804-312-5XXX | 5000–5999 | Assigned | ONVOY, LLC - VA | 138E | CHESTER | VA |
| 2016-03-15 | 804-312-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | CHESTER | VA |
| 2016-01-06 | 804-312-7XXX | 7000–7999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | CHESTER | VA |
| 2015-09-10 | 804-312-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - VA | 7238 | CHESTER | VA |
| — | 804-312-9XXX | 9000–9999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - VA | 4644 | CHESTER | VA |
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.