NumberResearchThousands-blocks in 260-623
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 260-623 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 260 blocks
Most active assignees, all time — NPA 260
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-10-28 | 260-623-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IN | 105F | MONROEVL | IN |
| 2016-06-10 | 260-623-1XXX | 1000–1999 | Assigned | COMMUNITY FIBER SOLUTIONS, INC. - IN | 494G | MONROEVL | IN |
| — | 260-623-2XXX | 2000–2999 | Reserved | FRONTIER NORTH, INC.. - IN | 0772 | MONROEVL | IN |
| — | 260-623-3XXX | 3000–3999 | Reserved | FRONTIER NORTH, INC.. - IN | 0772 | MONROEVL | IN |
| 2013-10-08 | 260-623-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - IN | 105F | MONROEVL | IN |
| 2013-03-20 | 260-623-5XXX | 5000–5999 | Assigned | ONVOY, LLC - IN | 097D | MONROEVL | IN |
| — | 260-623-6XXX | 6000–6999 | Reserved | FRONTIER NORTH, INC.. - IN | 0772 | MONROEVL | IN |
| 2013-12-13 | 260-623-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 7440 | MONROEVL | IN |
| 2014-10-10 | 260-623-8XXX | 8000–8999 | Assigned | ONVOY, LLC - IN | 097D | MONROEVL | IN |
| 2014-05-15 | 260-623-9XXX | 9000–9999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MONROEVL | IN |
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.