NumberResearchThousands-blocks in 956-347
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 956-347 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 956 blocks
Most active assignees, all time — NPA 956
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2021-02-25 | 956-347-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | LYFORD | TX |
| 2012-01-10 | 956-347-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | LYFORD | TX |
| — | 956-347-2XXX | 2000–2999 | Reserved | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | LYFORD | TX |
| — | 956-347-3XXX | 3000–3999 | Reserved | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | LYFORD | TX |
| 2006-12-28 | 956-347-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | LYFORD | TX |
| — | 956-347-5XXX | 5000–5999 | Reserved | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | LYFORD | TX |
| 2007-05-09 | 956-347-6XXX | 6000–6999 | Assigned | FOREMOST TELECOMMUNICATIONS CORPORATION - TX | 319D | LYFORD | TX |
| 2016-02-10 | 956-347-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | LYFORD | TX |
| 2014-01-21 | 956-347-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | LYFORD | TX |
| — | 956-347-9XXX | 9000–9999 | Available | LYFORD | 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.