NumberResearchThousands-blocks in 419-365
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 419-365 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 419 blocks
Most active assignees, all time — NPA 419
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 419-365-0XXX | 0000–0999 | Reserved | FRONTIER NORTH, INC. - OH | 0615 | ARLINGTON | OH |
| — | 419-365-1XXX | 1000–1999 | Reserved | FRONTIER NORTH, INC. - OH | 0615 | ARLINGTON | OH |
| 2012-01-06 | 419-365-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | ARLINGTON | OH |
| 2013-11-27 | 419-365-3XXX | 3000–3999 | Assigned | PEERLESS NETWORK OF OHIO, LLC - OH | 284F | ARLINGTON | OH |
| 2007-01-30 | 419-365-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | ARLINGTON | OH |
| — | 419-365-5XXX | 5000–5999 | Reserved | FRONTIER NORTH, INC. - OH | 0615 | ARLINGTON | OH |
| 2014-03-17 | 419-365-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | ARLINGTON | OH |
| — | 419-365-7XXX | 7000–7999 | Reserved | FRONTIER NORTH, INC. - OH | 0615 | ARLINGTON | OH |
| 2024-06-28 | 419-365-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ARLINGTON | OH |
| — | 419-365-9XXX | 9000–9999 | Reserved | FRONTIER NORTH, INC. - OH | 0615 | ARLINGTON | OH |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.