NumberResearchThousands-blocks in 774-481
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 774-481 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 774 blocks
Most active assignees, all time — NPA 774
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2012-06-26 | 774-481-0XXX | 0000–0999 | Assigned | PAETEC ITEL, LLC | 829J | UXBRIDGE | MA |
| 2008-11-10 | 774-481-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | UXBRIDGE | MA |
| 2016-03-03 | 774-481-2XXX | 2000–2999 | Assigned | ONVOY, LLC - MA | 892D | UXBRIDGE | MA |
| 2011-01-06 | 774-481-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | UXBRIDGE | MA |
| 2002-06-28 | 774-481-4XXX | 4000–4999 | Assigned | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 268F | UXBRIDGE | MA |
| 2012-02-22 | 774-481-5XXX | 5000–5999 | Assigned | ONVOY, LLC - MA | 892D | UXBRIDGE | MA |
| 2012-10-18 | 774-481-6XXX | 6000–6999 | Assigned | TC SYSTEMS, INC. | 7135 | UXBRIDGE | MA |
| 2004-09-21 | 774-481-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | UXBRIDGE | MA |
| 2015-09-24 | 774-481-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | UXBRIDGE | MA |
| 2007-07-25 | 774-481-9XXX | 9000–9999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | UXBRIDGE | MA |
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.