NumberResearchThousands-blocks in 530-334
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 530-334 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
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2009-09-24 | 530-334-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | GEORGETOWN | CA |
| 2002-09-16 | 530-334-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | GEORGETOWN | CA |
| 2002-09-16 | 530-334-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | GEORGETOWN | CA |
| 2008-09-09 | 530-334-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | GEORGETOWN | CA |
| 2003-10-08 | 530-334-4XXX | 4000–4999 | Assigned | IP HORIZON LLC | 515J | GEORGETOWN | CA |
| 2005-06-21 | 530-334-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | GEORGETOWN | CA |
| 2009-01-28 | 530-334-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | GEORGETOWN | CA |
| 2020-07-24 | 530-334-7XXX | 7000–7999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | GEORGETOWN | CA |
| 2010-02-01 | 530-334-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | GEORGETOWN | CA |
| 2011-09-14 | 530-334-9XXX | 9000–9999 | Assigned | AT&T ENTERPRISES, LLC | 516C | GEORGETOWN | 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.