NumberResearchThousands-blocks in 270-405
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 270-405 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 270 blocks
Most active assignees, all time — NPA 270
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 270-405-0XXX | 0000–0999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | GREENSBURG | KY |
| — | 270-405-1XXX | 1000–1999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | GREENSBURG | KY |
| 2022-01-14 | 270-405-2XXX | 2000–2999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | GREENSBURG | KY |
| — | 270-405-3XXX | 3000–3999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | GREENSBURG | KY |
| — | 270-405-4XXX | 4000–4999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | GREENSBURG | KY |
| — | 270-405-5XXX | 5000–5999 | Available | GREENSBURG | KY | ||
| 2006-02-09 | 270-405-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | 6500 | GREENSBURG | KY |
| 2006-10-20 | 270-405-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | GREENSBURG | KY |
| 2004-12-22 | 270-405-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | GREENSBURG | KY |
| 2025-04-28 | 270-405-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | GREENSBURG | KY |
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.