NumberResearchThousands-blocks in 806-855
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 806-855 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 806 blocks
Most active assignees, all time — NPA 806
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2009-09-04 | 806-855-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | WOLFFORTH | TX |
| 2022-11-15 | 806-855-1XXX | 1000–1999 | Assigned | COMMIO, LLC | 939H | WOLFFORTH | TX |
| 2014-01-24 | 806-855-2XXX | 2000–2999 | Assigned | CEBRIDGE TELECOM TX , L.P. - TX | 318C | WOLFFORTH | TX |
| 2015-10-19 | 806-855-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | WOLFFORTH | TX |
| 2006-06-05 | 806-855-4XXX | 4000–4999 | Assigned | CEBRIDGE TELECOM TX , L.P. - TX | 318C | WOLFFORTH | TX |
| 2013-03-28 | 806-855-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | WOLFFORTH | TX |
| 2004-08-26 | 806-855-6XXX | 6000–6999 | Assigned | CEBRIDGE TELECOM TX , L.P. - TX | 318C | WOLFFORTH | TX |
| 2015-11-23 | 806-855-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | WOLFFORTH | TX |
| 2017-03-08 | 806-855-8XXX | 8000–8999 | Assigned | ONVOY, LLC - TX | 903C | WOLFFORTH | TX |
| 2017-06-28 | 806-855-9XXX | 9000–9999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | 7148 | WOLFFORTH | TX |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.