NumberResearchThousands-blocks in 765-553
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 765-553 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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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-01-30 | 765-553-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | KOKOMO | IN |
| 2013-10-22 | 765-553-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | KOKOMO | IN |
| 2015-04-06 | 765-553-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | KOKOMO | IN |
| 2005-02-16 | 765-553-3XXX | 3000–3999 | Assigned | ONVOY, LLC - IN | 097D | KOKOMO | IN |
| 2016-07-06 | 765-553-4XXX | 4000–4999 | Assigned | ONVOY, LLC - IN | 097D | KOKOMO | IN |
| 2014-03-03 | 765-553-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | KOKOMO | IN |
| 2016-07-06 | 765-553-6XXX | 6000–6999 | Assigned | ONVOY, LLC - IN | 097D | KOKOMO | IN |
| 2015-02-17 | 765-553-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | KOKOMO | IN |
| 2013-11-04 | 765-553-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | KOKOMO | IN |
| 2018-09-28 | 765-553-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | KOKOMO | 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.