NumberResearchThousands-blocks in 775-297
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 775-297 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 775-297-0XXX | 0000–0999 | Reserved | ONVOY, LLC - NV | 029F | CARSONCITY | NV |
| 2005-11-01 | 775-297-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CARSONCITY | NV |
| 2005-12-06 | 775-297-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | CARSONCITY | NV |
| 2007-02-15 | 775-297-3XXX | 3000–3999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | CARSONCITY | NV |
| 2005-06-25 | 775-297-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NV | 4805 | CARSONCITY | NV |
| 2005-12-14 | 775-297-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CARSONCITY | NV |
| 2006-03-22 | 775-297-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | CARSONCITY | NV |
| 2005-11-14 | 775-297-7XXX | 7000–7999 | Assigned | ONVOY, LLC - NV | 029F | CARSONCITY | NV |
| 2007-03-08 | 775-297-8XXX | 8000–8999 | Assigned | ONVOY, LLC - NV | 029F | CARSONCITY | NV |
| 2021-02-11 | 775-297-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | CARSONCITY | 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.