NumberResearchThousands-blocks in 760-571
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 760-571 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 760 blocks
Most active assignees, all time — NPA 760
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 |
|---|---|---|---|---|---|---|---|
| 2018-10-31 | 760-571-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SAN MARCOS | CA |
| 2021-03-15 | 760-571-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | CA |
| 2003-10-17 | 760-571-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | SAN MARCOS | CA |
| 2021-03-15 | 760-571-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | CA |
| 2021-03-15 | 760-571-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | CA |
| 2006-10-03 | 760-571-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | SAN MARCOS | CA |
| — | 760-571-6XXX | 6000–6999 | Reserved | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 7718 | SAN MARCOS | CA |
| 2009-12-16 | 760-571-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | CA |
| 2022-12-09 | 760-571-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | SAN MARCOS | CA |
| 2010-11-22 | 760-571-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | SAN MARCOS | CA |
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.