NumberResearchThousands-blocks in 760-223
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 760-223 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 |
|---|---|---|---|---|---|---|---|
| — | 760-223-0XXX | 0000–0999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LKISABELLA | CA |
| — | 760-223-1XXX | 1000–1999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LKISABELLA | CA |
| 2005-11-15 | 760-223-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LKISABELLA | CA |
| 2007-04-06 | 760-223-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LKISABELLA | CA |
| 2013-04-01 | 760-223-4XXX | 4000–4999 | Assigned | UTILITY TELECOM GROUP, LLC - CA | 9262 | LKISABELLA | CA |
| 2015-02-17 | 760-223-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | LKISABELLA | CA |
| — | 760-223-6XXX | 6000–6999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LKISABELLA | CA |
| 2013-03-04 | 760-223-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | LKISABELLA | CA |
| 2021-11-19 | 760-223-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | LKISABELLA | CA |
| 2015-01-29 | 760-223-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | LKISABELLA | 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.