NumberResearchThousands-blocks in 775-480
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 775-480 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 775 blocks
Most active assignees, all time — NPA 775
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-03-28 | 775-480-0XXX | 0000–0999 | Assigned | IP HORIZON LLC | 515J | MINA | NV |
| 2023-10-24 | 775-480-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MINA | NV |
| 2024-10-07 | 775-480-2XXX | 2000–2999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MINA | NV |
| — | 775-480-3XXX | 3000–3999 | Available | MINA | NV | ||
| — | 775-480-4XXX | 4000–4999 | Available | MINA | NV | ||
| — | 775-480-5XXX | 5000–5999 | Available | MINA | NV | ||
| — | 775-480-6XXX | 6000–6999 | Available | MINA | NV | ||
| — | 775-480-7XXX | 7000–7999 | Available | MINA | NV | ||
| — | 775-480-8XXX | 8000–8999 | Available | MINA | NV | ||
| 2021-08-18 | 775-480-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MINA | NV |
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.