NumberResearchThousands-blocks in 361-437
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 361-437 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 361 blocks
Most active assignees, all time — NPA 361
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2009-01-22 | 361-437-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | SINTON | TX |
| 2021-03-16 | 361-437-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | SINTON | TX |
| 2008-05-21 | 361-437-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SINTON | TX |
| 2024-02-08 | 361-437-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | SINTON | TX |
| 2004-04-21 | 361-437-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | SINTON | TX |
| 2022-04-06 | 361-437-5XXX | 5000–5999 | Assigned | STPCS JOINT VENTURE, LLC | 4290 | SINTON | TX |
| 2006-06-06 | 361-437-6XXX | 6000–6999 | Assigned | STPCS JOINT VENTURE, LLC | 4290 | SINTON | TX |
| 2021-05-18 | 361-437-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SINTON | TX |
| 2004-06-01 | 361-437-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | SINTON | TX |
| — | 361-437-9XXX | 9000–9999 | Reserved | METROPCS, INC. | 5562 | SINTON | 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.