NumberResearchThousands-blocks in 606-887
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 606-887 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 606 blocks
Most active assignees, all time — NPA 606
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 606-887-0XXX | 0000–0999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | PAINTSVL | KY |
| 2016-09-08 | 606-887-1XXX | 1000–1999 | Assigned | ONVOY, LLC - KY | 896E | PAINTSVL | KY |
| 2016-09-08 | 606-887-2XXX | 2000–2999 | Assigned | ONVOY, LLC - KY | 896E | PAINTSVL | KY |
| 2010-02-10 | 606-887-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PAINTSVL | KY |
| 2004-04-30 | 606-887-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | PAINTSVL | KY |
| 2021-09-22 | 606-887-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | PAINTSVL | KY |
| 2013-04-22 | 606-887-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - KY | 8406 | PAINTSVL | KY |
| 2019-02-22 | 606-887-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | PAINTSVL | KY |
| 2020-06-19 | 606-887-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | PAINTSVL | KY |
| — | 606-887-9XXX | 9000–9999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - KY | 4369 | PAINTSVL | 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.