NumberResearchThousands-blocks in 419-554
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 419-554 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
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 419-554-0XXX | 0000–0999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NORWALK | OH |
| — | 419-554-1XXX | 1000–1999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NORWALK | OH |
| — | 419-554-2XXX | 2000–2999 | Available | NORWALK | OH | ||
| 2005-12-27 | 419-554-3XXX | 3000–3999 | Assigned | AMERICAN BROADBAND AND TELECOMMS COMPANY - OH | 509B | NORWALK | OH |
| 2010-08-17 | 419-554-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NORWALK | OH |
| 2011-09-02 | 419-554-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | NORWALK | OH |
| 2025-05-09 | 419-554-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NORWALK | OH |
| 2019-09-10 | 419-554-7XXX | 7000–7999 | Assigned | TELNYX LLC | 073H | NORWALK | OH |
| 2008-01-25 | 419-554-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NORWALK | OH |
| 2006-08-23 | 419-554-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NORWALK | OH |
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.