NumberResearchThousands-blocks in 530-393
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 530-393 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 530-393-0XXX | 0000–0999 | Reserved | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | WILLIAMS | CA |
| — | 530-393-1XXX | 1000–1999 | Reserved | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | WILLIAMS | CA |
| 2014-10-17 | 530-393-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | WILLIAMS | CA |
| 2019-01-28 | 530-393-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | WILLIAMS | CA |
| 2019-01-28 | 530-393-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | WILLIAMS | CA |
| 2015-06-19 | 530-393-5XXX | 5000–5999 | Assigned | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | WILLIAMS | CA |
| 2020-03-18 | 530-393-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | WILLIAMS | CA |
| 2020-04-16 | 530-393-7XXX | 7000–7999 | Assigned | TELNYX LLC | 073H | WILLIAMS | CA |
| 2020-02-25 | 530-393-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | WILLIAMS | CA |
| 2018-10-17 | 530-393-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | WILLIAMS | 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.