NumberResearchThousands-blocks in 484-406
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 484-406 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 484 blocks
Most active assignees, all time — NPA 484
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-12-09 | 484-406-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | LANDENBERG | PA |
| 2012-08-23 | 484-406-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA | 967E | LANDENBERG | PA |
| 2006-06-30 | 484-406-2XXX | 2000–2999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | LANDENBERG | PA |
| 2012-09-07 | 484-406-3XXX | 3000–3999 | Assigned | ONVOY, LLC - PA | 547E | LANDENBERG | PA |
| 2004-03-12 | 484-406-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | LANDENBERG | PA |
| 2013-01-23 | 484-406-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - PA | 002F | LANDENBERG | PA |
| — | 484-406-6XXX | 6000–6999 | Reserved | PAETEC ITEL, LLC | 829J | LANDENBERG | PA |
| — | 484-406-7XXX | 7000–7999 | Assigned (pending) | LANDENBERG | PA | ||
| 2024-08-15 | 484-406-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | LANDENBERG | PA |
| 2017-11-27 | 484-406-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | LANDENBERG | PA |
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.