NumberResearchThousands-blocks in 346-954
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 346-954 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, all time — NPA 346
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-05-02 | 346-954-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | DEER PARK | TX |
| 2017-05-02 | 346-954-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | DEER PARK | TX |
| 2017-05-25 | 346-954-2XXX | 2000–2999 | Assigned | TELNYX LLC | 073H | DEER PARK | TX |
| 2026-03-05 | 346-954-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DEER PARK | TX |
| 2018-05-11 | 346-954-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | DEER PARK | TX |
| 2016-05-23 | 346-954-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | DEER PARK | TX |
| 2017-06-07 | 346-954-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | 7138 | DEER PARK | TX |
| 2017-08-08 | 346-954-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | DEER PARK | TX |
| 2017-08-08 | 346-954-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | DEER PARK | TX |
| 2017-10-10 | 346-954-9XXX | 9000–9999 | Assigned | ONVOY, LLC - TX | 903C | DEER PARK | 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.