NumberResearchThousands-blocks in 270-377
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 270-377 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 |
|---|---|---|---|---|---|---|---|
| — | 270-377-0XXX | 0000–0999 | Reserved | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | GREENVILLE | KY |
| — | 270-377-1XXX | 1000–1999 | Reserved | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | GREENVILLE | KY |
| — | 270-377-2XXX | 2000–2999 | Reserved | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | GREENVILLE | KY |
| — | 270-377-3XXX | 3000–3999 | Reserved | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | GREENVILLE | KY |
| 2017-03-06 | 270-377-4XXX | 4000–4999 | Assigned | ONVOY, LLC - KY | 896E | GREENVILLE | KY |
| 2014-05-01 | 270-377-5XXX | 5000–5999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - KY | 8406 | GREENVILLE | KY |
| 2017-03-06 | 270-377-6XXX | 6000–6999 | Assigned | ONVOY, LLC - KY | 896E | GREENVILLE | KY |
| 2015-09-15 | 270-377-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | GREENVILLE | KY |
| 2020-06-11 | 270-377-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | GREENVILLE | KY |
| 2022-06-21 | 270-377-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | GREENVILLE | 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.