NumberResearchThousands-blocks in 747-346
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 747-346 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 747 blocks
Most active assignees, last 30 days — NPA 747
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-01-30 | 747-346-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | SUNLD TJNG | CA |
| 2024-01-30 | 747-346-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | SUNLD TJNG | CA |
| 2024-12-20 | 747-346-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SUNLD TJNG | CA |
| 2025-01-02 | 747-346-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SUNLD TJNG | CA |
| 2026-08-27 | 747-346-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | SUNLD TJNG | CA |
| 2023-10-11 | 747-346-5XXX | 5000–5999 | Assigned | VONAGE AMERICA LLC | 197D | SUNLD TJNG | CA |
| 2025-05-01 | 747-346-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7139 | SUNLD TJNG | CA |
| — | 747-346-7XXX | 7000–7999 | Available | SUNLD TJNG | CA | ||
| 2024-01-30 | 747-346-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | SUNLD TJNG | CA |
| 2024-05-14 | 747-346-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | SUNLD TJNG | 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.