NumberResearchThousands-blocks in 760-304
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 760-304 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2010-08-25 | 760-304-0XXX | 0000–0999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | SAN MARCOS | CA |
| 2010-02-10 | 760-304-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | SAN MARCOS | CA |
| 2009-03-06 | 760-304-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | SAN MARCOS | CA |
| 2016-09-06 | 760-304-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | SAN MARCOS | CA |
| 2006-12-11 | 760-304-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | SAN MARCOS | CA |
| 2013-03-26 | 760-304-5XXX | 5000–5999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7147 | SAN MARCOS | CA |
| 2006-08-29 | 760-304-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | SAN MARCOS | CA |
| — | 760-304-7XXX | 7000–7999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7147 | SAN MARCOS | CA |
| 2009-03-23 | 760-304-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SAN MARCOS | CA |
| 2016-02-16 | 760-304-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | SAN MARCOS | CA |
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.