NumberResearchThousands-blocks in 765-391
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 765-391 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 765 blocks
Most active assignees, all time — NPA 765
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-10-30 | 765-391-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IN | 105F | AMBOY | IN |
| 2004-10-20 | 765-391-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IN | 4803 | AMBOY | IN |
| 2014-05-30 | 765-391-2XXX | 2000–2999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | AMBOY | IN |
| 2012-09-19 | 765-391-3XXX | 3000–3999 | Assigned | ONVOY, LLC - IN | 097D | AMBOY | IN |
| 2010-10-06 | 765-391-4XXX | 4000–4999 | Assigned | AT&T ENTERPRISES, LLC | 516C | AMBOY | IN |
| 2015-01-28 | 765-391-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - IN | 105F | AMBOY | IN |
| 2022-10-26 | 765-391-6XXX | 6000–6999 | Assigned | PEERLESS NETWORK OF INDIANA, LLC - IN | 279F | AMBOY | IN |
| 2013-11-04 | 765-391-7XXX | 7000–7999 | Assigned | IP HORIZON LLC | 515J | AMBOY | IN |
| 2013-04-03 | 765-391-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF INDIANA, LLC - IN | 279F | AMBOY | IN |
| — | 765-391-9XXX | 9000–9999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - IN | 7314 | AMBOY | 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.