NumberResearchThousands-blocks in 740-620
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 740-620 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 740 blocks
Most active assignees, all time — NPA 740
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 740-620-0XXX | 0000–0999 | Reserved | OHIO BELL TEL CO | 9321 | WSNGTNCTHS | OH |
| 2022-03-09 | 740-620-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | WSNGTNCTHS | OH |
| 2017-07-18 | 740-620-2XXX | 2000–2999 | Assigned | TELNYX LLC | 073H | WSNGTNCTHS | OH |
| 2022-03-09 | 740-620-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | WSNGTNCTHS | OH |
| 2012-11-06 | 740-620-4XXX | 4000–4999 | Assigned | AT&T ENTERPRISES, LLC | 516C | WSNGTNCTHS | OH |
| 2022-03-09 | 740-620-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | WSNGTNCTHS | OH |
| 2017-08-11 | 740-620-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | WSNGTNCTHS | OH |
| 2024-07-03 | 740-620-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WSNGTNCTHS | OH |
| 2016-09-12 | 740-620-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | WSNGTNCTHS | OH |
| 2013-06-20 | 740-620-9XXX | 9000–9999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | WSNGTNCTHS | OH |
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.