NumberResearchThousands-blocks in 740-413
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 740-413 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 740-413-0XXX | 0000–0999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | ASHLEY | OH |
| 2020-11-20 | 740-413-1XXX | 1000–1999 | Assigned | ONVOY, LLC - OH | 464C | ASHLEY | OH |
| 2020-11-20 | 740-413-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OH | 464C | ASHLEY | OH |
| 2018-08-22 | 740-413-3XXX | 3000–3999 | Assigned | ONVOY, LLC - OH | 464C | ASHLEY | OH |
| 2007-03-26 | 740-413-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | ASHLEY | OH |
| — | 740-413-5XXX | 5000–5999 | Available | ASHLEY | OH | ||
| — | 740-413-6XXX | 6000–6999 | Available | ASHLEY | OH | ||
| 2014-06-09 | 740-413-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | ASHLEY | OH |
| 2023-06-30 | 740-413-8XXX | 8000–8999 | Assigned | ONVOY, LLC - OH | 464C | ASHLEY | OH |
| — | 740-413-9XXX | 9000–9999 | Available | ASHLEY | 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.