NumberResearchThousands-blocks in 270-337
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 270-337 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2016-09-13 | 270-337-0XXX | 0000–0999 | Assigned | ONVOY, LLC - KY | 896E | BRADFODSVL | KY |
| 2016-09-13 | 270-337-1XXX | 1000–1999 | Assigned | ONVOY, LLC - KY | 896E | BRADFODSVL | KY |
| — | 270-337-2XXX | 2000–2999 | Reserved | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | 9690 | BRADFODSVL | KY |
| — | 270-337-3XXX | 3000–3999 | Reserved | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | 9690 | BRADFODSVL | KY |
| — | 270-337-4XXX | 4000–4999 | Reserved | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | 9690 | BRADFODSVL | KY |
| — | 270-337-5XXX | 5000–5999 | Reserved | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | 9690 | BRADFODSVL | KY |
| 2019-03-18 | 270-337-6XXX | 6000–6999 | Assigned | CORETEL KENTUCKY, INC. - KY | 480F | BRADFODSVL | KY |
| 2016-12-21 | 270-337-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | BRADFODSVL | KY |
| 2019-04-24 | 270-337-8XXX | 8000–8999 | Assigned | CORETEL KENTUCKY, INC. - KY | 480F | BRADFODSVL | KY |
| — | 270-337-9XXX | 9000–9999 | Reserved | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | 9690 | BRADFODSVL | 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.