NumberResearchThousands-blocks in 859-242
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 859-242 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 |
|---|---|---|---|---|---|---|---|
| — | 859-242-0XXX | 0000–0999 | Reserved | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | 6500 | WILLIAMSTN | KY |
| — | 859-242-1XXX | 1000–1999 | Reserved | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | 6500 | WILLIAMSTN | KY |
| — | 859-242-2XXX | 2000–2999 | Reserved | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | 6500 | WILLIAMSTN | KY |
| — | 859-242-3XXX | 3000–3999 | Reserved | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | 6500 | WILLIAMSTN | KY |
| 2022-03-07 | 859-242-4XXX | 4000–4999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | WILLIAMSTN | KY |
| 2010-01-27 | 859-242-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - KY | 987E | WILLIAMSTN | KY |
| 2011-04-08 | 859-242-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | 6500 | WILLIAMSTN | KY |
| 2010-07-13 | 859-242-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - KY | 987E | WILLIAMSTN | KY |
| — | 859-242-8XXX | 8000–8999 | Reserved | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | 6500 | WILLIAMSTN | KY |
| — | 859-242-9XXX | 9000–9999 | Reserved | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | 6500 | 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.