NumberResearchThousands-blocks in 774-345
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 774-345 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
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2007-04-06 | 774-345-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | HOLDEN | MA |
| 2006-09-22 | 774-345-1XXX | 1000–1999 | Assigned | VERIZON NEW ENGLAND INC. | 9102 | HOLDEN | MA |
| 2007-07-23 | 774-345-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HOLDEN | MA |
| 2010-12-13 | 774-345-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | HOLDEN | MA |
| 2011-09-16 | 774-345-4XXX | 4000–4999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | HOLDEN | MA |
| 2006-10-05 | 774-345-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | HOLDEN | MA |
| 2012-02-16 | 774-345-6XXX | 6000–6999 | Assigned | ONVOY, LLC - MA | 892D | HOLDEN | MA |
| 2012-10-12 | 774-345-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HOLDEN | MA |
| 2025-03-17 | 774-345-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | HOLDEN | MA |
| 2008-11-10 | 774-345-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | HOLDEN | MA |
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.