NumberResearchThousands-blocks in 740-449
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 740-449 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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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 740-449-0XXX | 0000–0999 | Available | STCLAIRSVL | OH | ||
| 2017-05-19 | 740-449-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | STCLAIRSVL | OH |
| 2012-05-02 | 740-449-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | STCLAIRSVL | OH |
| 2021-03-30 | 740-449-3XXX | 3000–3999 | Assigned | ONVOY, LLC - OH | 464C | STCLAIRSVL | OH |
| 2016-04-12 | 740-449-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | STCLAIRSVL | OH |
| — | 740-449-5XXX | 5000–5999 | Available | STCLAIRSVL | OH | ||
| 2023-05-24 | 740-449-6XXX | 6000–6999 | Assigned | BOOST SUBSCRIBERCO L.L.C. | 490J | STCLAIRSVL | OH |
| 2016-03-14 | 740-449-7XXX | 7000–7999 | Assigned | ONVOY, LLC - OH | 464C | STCLAIRSVL | OH |
| 2016-03-14 | 740-449-8XXX | 8000–8999 | Assigned | ONVOY, LLC - OH | 464C | STCLAIRSVL | OH |
| 2016-09-12 | 740-449-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | STCLAIRSVL | OH |
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.