NumberResearchThousands-blocks in 859-813
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 859-813 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 859 blocks
Most active assignees, all time — NPA 859
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2015-06-04 | 859-813-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - KY | 987E | WILLIAMSTN | KY |
| — | 859-813-1XXX | 1000–1999 | Reserved | PAETEC ITEL, LLC | 829J | WILLIAMSTN | KY |
| 2011-07-18 | 859-813-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - KY | 987E | WILLIAMSTN | KY |
| 2010-07-13 | 859-813-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - KY | 6161 | WILLIAMSTN | KY |
| 2013-03-26 | 859-813-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - KY | 987E | WILLIAMSTN | KY |
| 2014-05-07 | 859-813-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - KY | 987E | WILLIAMSTN | KY |
| 2012-09-18 | 859-813-6XXX | 6000–6999 | Assigned | CINBELL EXT TERR LLC DBA ALTAFIBER CONNECTED SVCS | 593F | WILLIAMSTN | KY |
| 2014-11-20 | 859-813-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | WILLIAMSTN | KY |
| 2012-09-19 | 859-813-8XXX | 8000–8999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | WILLIAMSTN | KY |
| 2015-09-23 | 859-813-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF KENTUCKY, LLC - KY | 035H | WILLIAMSTN | 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.