NumberResearchThousands-blocks in 774-501
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 774-501 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2016-05-23 | 774-501-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | TAUNTON | MA |
| 2007-01-02 | 774-501-1XXX | 1000–1999 | Assigned | COMCAST IP PHONE, LLC | 318J | TAUNTON | MA |
| 2007-01-02 | 774-501-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | TAUNTON | MA |
| 2007-01-02 | 774-501-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | TAUNTON | MA |
| 2009-02-04 | 774-501-4XXX | 4000–4999 | Assigned | YMAX COMMUNICATIONS CORP. - MA | 316E | TAUNTON | MA |
| 2012-04-03 | 774-501-5XXX | 5000–5999 | Assigned | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 268F | TAUNTON | MA |
| 2010-02-26 | 774-501-6XXX | 6000–6999 | Assigned | YMAX COMMUNICATIONS CORP. - MA | 316E | TAUNTON | MA |
| 2009-09-08 | 774-501-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | TAUNTON | MA |
| 2009-08-17 | 774-501-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | TAUNTON | MA |
| 2017-06-12 | 774-501-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | TAUNTON | 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.