NumberResearchThousands-blocks in 346-749
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 346-749 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 346 blocks
Most active assignees, last 30 days — NPA 346
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2023-12-12 | 346-749-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | BAYTOWN | TX |
| — | 346-749-1XXX | 1000–1999 | Available | BAYTOWN | TX | ||
| — | 346-749-2XXX | 2000–2999 | Available | BAYTOWN | TX | ||
| — | 346-749-3XXX | 3000–3999 | Available | BAYTOWN | TX | ||
| 2026-06-15 | 346-749-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | BAYTOWN | TX |
| — | 346-749-5XXX | 5000–5999 | Available | BAYTOWN | TX | ||
| 2026-08-12 | 346-749-6XXX | 6000–6999 | Assigned | TELNYX LLC | 073H | BAYTOWN | TX |
| — | 346-749-7XXX | 7000–7999 | Available | BAYTOWN | TX | ||
| 2026-09-03 | 346-749-8XXX | 8000–8999 | Assigned | ONVOY, LLC - TX | 903C | BAYTOWN | TX |
| 2024-08-22 | 346-749-9XXX | 9000–9999 | Assigned | ONVOY, LLC - TX | 903C | BAYTOWN | TX |
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.