NumberResearchThousands-blocks in 401-268
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 401-268 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 401 blocks
Most active assignees, all time — NPA 401
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 401-268-0XXX | 0000–0999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | NO KINGSTN | RI |
| — | 401-268-1XXX | 1000–1999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | NO KINGSTN | RI |
| — | 401-268-2XXX | 2000–2999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | NO KINGSTN | RI |
| — | 401-268-3XXX | 3000–3999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | NO KINGSTN | RI |
| 2011-03-14 | 401-268-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | NO KINGSTN | RI |
| 2017-11-13 | 401-268-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | NO KINGSTN | RI |
| — | 401-268-6XXX | 6000–6999 | Reserved | VERIZON NEW ENGLAND INC. | 9102 | NO KINGSTN | RI |
| 2010-12-22 | 401-268-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | NO KINGSTN | RI |
| 2024-03-25 | 401-268-8XXX | 8000–8999 | Assigned | ONVOY, LLC - RI | 977E | NO KINGSTN | RI |
| — | 401-268-9XXX | 9000–9999 | Available | NO KINGSTN | RI |
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.