NumberResearchThousands-blocks in 484-945
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 484-945 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 484-945-0XXX | 0000–0999 | Reserved | WINDSTREAM D & E SYSTEMS, INC. - PA | 4114 | POTTSTOWN | PA |
| — | 484-945-1XXX | 1000–1999 | Reserved | WINDSTREAM D & E SYSTEMS, INC. - PA | 4114 | POTTSTOWN | PA |
| 2010-05-26 | 484-945-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - PA | 002F | POTTSTOWN | PA |
| 2007-11-08 | 484-945-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | POTTSTOWN | PA |
| 2008-05-21 | 484-945-4XXX | 4000–4999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | POTTSTOWN | PA |
| — | 484-945-5XXX | 5000–5999 | Reserved | WINDSTREAM D & E SYSTEMS, INC. - PA | 4114 | POTTSTOWN | PA |
| — | 484-945-6XXX | 6000–6999 | Reserved | WINDSTREAM D & E SYSTEMS, INC. - PA | 4114 | POTTSTOWN | PA |
| — | 484-945-7XXX | 7000–7999 | Reserved | WINDSTREAM D & E SYSTEMS, INC. - PA | 4114 | POTTSTOWN | PA |
| — | 484-945-8XXX | 8000–8999 | Reserved | WINDSTREAM D & E SYSTEMS, INC. - PA | 4114 | POTTSTOWN | PA |
| — | 484-945-9XXX | 9000–9999 | Reserved | WINDSTREAM D & E SYSTEMS, INC. - PA | 4114 | POTTSTOWN | 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.