NumberResearchThousands-blocks in 530-264
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 530-264 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 530 blocks
Most active assignees, all time — NPA 530
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2014-04-24 | 530-264-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | NEVADACITY | CA |
| 2003-09-18 | 530-264-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | NEVADACITY | CA |
| 2003-09-18 | 530-264-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | NEVADACITY | CA |
| 2013-03-04 | 530-264-3XXX | 3000–3999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | NEVADACITY | CA |
| 2003-10-09 | 530-264-4XXX | 4000–4999 | Assigned | IP HORIZON LLC | 515J | NEVADACITY | CA |
| 2010-02-01 | 530-264-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | NEVADACITY | CA |
| 2008-02-15 | 530-264-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | NEVADACITY | CA |
| 2006-07-18 | 530-264-7XXX | 7000–7999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | NEVADACITY | CA |
| 2010-09-03 | 530-264-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | NEVADACITY | CA |
| — | 530-264-9XXX | 9000–9999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7145 | NEVADACITY | 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.