NumberResearchThousands-blocks in 662-783
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 662-783 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 662 blocks
Most active assignees, all time — NPA 662
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-10-22 | 662-783-0XXX | 0000–0999 | Assigned | CELLULAR SOUTH, INC. | 6581 | CHARLESTON | MS |
| 2008-10-22 | 662-783-1XXX | 1000–1999 | Assigned | CELLULAR SOUTH, INC. | 6581 | CHARLESTON | MS |
| 2010-02-22 | 662-783-2XXX | 2000–2999 | Assigned | CELLULAR SOUTH, INC. | 6581 | CHARLESTON | MS |
| 2017-03-01 | 662-783-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS | 4886 | CHARLESTON | MS |
| — | 662-783-4XXX | 4000–4999 | Available | CHARLESTON | MS | ||
| 2012-11-07 | 662-783-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | CHARLESTON | MS |
| 2016-07-06 | 662-783-6XXX | 6000–6999 | Assigned | ONVOY, LLC - MS | 719E | CHARLESTON | MS |
| 2016-07-06 | 662-783-7XXX | 7000–7999 | Assigned | ONVOY, LLC - MS | 719E | CHARLESTON | MS |
| — | 662-783-8XXX | 8000–8999 | Available | CHARLESTON | MS | ||
| — | 662-783-9XXX | 9000–9999 | Available | CHARLESTON | MS |
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.