NumberResearchThousands-blocks in 740-261
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 740-261 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 |
|---|---|---|---|---|---|---|---|
| 2020-12-29 | 740-261-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | NEWCONCORD | OH |
| 2007-03-21 | 740-261-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | NEWCONCORD | OH |
| 2012-11-02 | 740-261-2XXX | 2000–2999 | Assigned | HORIZON SERVICES, INC. - OH | 601G | NEWCONCORD | OH |
| 2014-05-01 | 740-261-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | NEWCONCORD | OH |
| — | 740-261-4XXX | 4000–4999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | NEWCONCORD | OH |
| 2007-07-11 | 740-261-5XXX | 5000–5999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | NEWCONCORD | OH |
| 2008-12-05 | 740-261-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | NEWCONCORD | OH |
| 2013-07-11 | 740-261-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | NEWCONCORD | OH |
| 2014-06-06 | 740-261-8XXX | 8000–8999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | NEWCONCORD | OH |
| 2021-03-23 | 740-261-9XXX | 9000–9999 | Assigned | ONVOY, LLC - OH | 464C | NEWCONCORD | 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.