NumberResearchThousands-blocks in 775-931
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 775-931 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-03-25 | 775-931-0XXX | 0000–0999 | Assigned | IP HORIZON LLC | 515J | BATTLE MT | NV |
| 2020-12-09 | 775-931-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | BATTLE MT | NV |
| 2024-10-07 | 775-931-2XXX | 2000–2999 | Assigned | AT&T ENTERPRISES, LLC | 516C | BATTLE MT | NV |
| 2020-02-28 | 775-931-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV | 6458 | BATTLE MT | NV |
| 2024-11-08 | 775-931-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BATTLE MT | NV |
| 2021-02-05 | 775-931-5XXX | 5000–5999 | Assigned | ONVOY, LLC - NV | 029F | BATTLE MT | NV |
| 2021-02-05 | 775-931-6XXX | 6000–6999 | Assigned | ONVOY, LLC - NV | 029F | BATTLE MT | NV |
| 2017-05-30 | 775-931-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | BATTLE MT | NV |
| 2022-07-13 | 775-931-8XXX | 8000–8999 | Assigned | COMMIO, LLC | 939H | BATTLE MT | NV |
| 2016-05-26 | 775-931-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BATTLE MT | NV |
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.