NumberResearchThousands-blocks in 256-349
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 256-349 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 256 blocks
Most active assignees, all time — NPA 256
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 256-349-0XXX | 0000–0999 | Reserved | METROPCS, INC. | 5562 | FLORENCE | AL |
| 2010-01-29 | 256-349-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | 6804 | FLORENCE | AL |
| 2010-06-07 | 256-349-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | FLORENCE | AL |
| 2010-07-28 | 256-349-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | 6804 | FLORENCE | AL |
| 2010-06-10 | 256-349-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | 6804 | FLORENCE | AL |
| 2011-08-17 | 256-349-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | FLORENCE | AL |
| 2023-10-17 | 256-349-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | FLORENCE | AL |
| — | 256-349-7XXX | 7000–7999 | Reserved | METROPCS, INC. | 5562 | FLORENCE | AL |
| 2010-01-11 | 256-349-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | 6804 | FLORENCE | AL |
| 2007-09-10 | 256-349-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | 6804 | FLORENCE | AL |
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.