NumberResearchThousands-blocks in 765-399
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 765-399 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2004-10-20 | 765-399-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IN | 4803 | EATON | IN |
| 2006-06-13 | 765-399-1XXX | 1000–1999 | Assigned | COMCAST IP PHONE, LLC | 318J | EATON | IN |
| 2014-08-14 | 765-399-2XXX | 2000–2999 | Assigned | ONVOY, LLC - IN | 097D | EATON | IN |
| — | 765-399-3XXX | 3000–3999 | Assigned (pending) | EATON | IN | ||
| 2020-10-16 | 765-399-4XXX | 4000–4999 | Assigned | ONVOY, LLC - IN | 097D | EATON | IN |
| 2011-08-09 | 765-399-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | EATON | IN |
| 2013-11-04 | 765-399-6XXX | 6000–6999 | Assigned | IP HORIZON LLC | 515J | EATON | IN |
| 2007-08-08 | 765-399-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | EATON | IN |
| 2013-04-03 | 765-399-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF INDIANA, LLC - IN | 279F | EATON | IN |
| — | 765-399-9XXX | 9000–9999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - IN | 7314 | EATON | IN |
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.