NumberResearchThousands-blocks in 662-857
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 662-857 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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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 662-857-0XXX | 0000–0999 | Available | SARDIS | MS | ||
| — | 662-857-1XXX | 1000–1999 | Available | SARDIS | MS | ||
| 2010-10-05 | 662-857-2XXX | 2000–2999 | Assigned | AT&T ENTERPRISES, LLC | 516C | SARDIS | MS |
| 2004-10-05 | 662-857-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS | 4886 | SARDIS | MS |
| — | 662-857-4XXX | 4000–4999 | Available | SARDIS | MS | ||
| 2007-06-08 | 662-857-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | SARDIS | MS |
| — | 662-857-6XXX | 6000–6999 | Available | SARDIS | MS | ||
| — | 662-857-7XXX | 7000–7999 | Available | SARDIS | MS | ||
| 2023-06-06 | 662-857-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SARDIS | MS |
| 2005-04-27 | 662-857-9XXX | 9000–9999 | Assigned | TELEPAK NETWORKS, INC. - MS | 5278 | SARDIS | 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.