NumberResearchThousands-blocks in 740-330
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 740-330 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 |
|---|---|---|---|---|---|---|---|
| 2004-03-08 | 740-330-0XXX | 0000–0999 | Assigned | PAETEC ITEL, LLC | 829J | BETHESDA | OH |
| 2016-08-24 | 740-330-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | BETHESDA | OH |
| 2017-07-20 | 740-330-2XXX | 2000–2999 | Assigned | TELNYX LLC | 073H | BETHESDA | OH |
| 2019-03-28 | 740-330-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | BETHESDA | OH |
| 2019-03-28 | 740-330-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | BETHESDA | OH |
| 2021-12-14 | 740-330-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | BETHESDA | OH |
| 2017-12-29 | 740-330-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | BETHESDA | OH |
| 2014-06-05 | 740-330-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | BETHESDA | OH |
| 2013-04-03 | 740-330-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF OHIO, LLC - OH | 284F | BETHESDA | OH |
| 2013-04-03 | 740-330-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF OHIO, LLC - OH | 284F | BETHESDA | 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.