NumberResearchThousands-blocks in 774-570
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 774-570 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 |
|---|---|---|---|---|---|---|---|
| 2015-04-06 | 774-570-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | SHREWSBURY | MA |
| 2015-04-08 | 774-570-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | SHREWSBURY | MA |
| 2018-05-24 | 774-570-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | SHREWSBURY | MA |
| 2016-02-29 | 774-570-3XXX | 3000–3999 | Assigned | ONVOY, LLC - MA | 892D | SHREWSBURY | MA |
| 2016-02-29 | 774-570-4XXX | 4000–4999 | Assigned | ONVOY, LLC - MA | 892D | SHREWSBURY | MA |
| 2019-05-09 | 774-570-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | SHREWSBURY | MA |
| 2017-04-18 | 774-570-6XXX | 6000–6999 | Assigned | TELNYX LLC | 073H | SHREWSBURY | MA |
| 2015-12-03 | 774-570-7XXX | 7000–7999 | Assigned | BARR TELL USA, INC. - MA | 732H | SHREWSBURY | MA |
| 2016-06-23 | 774-570-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | SHREWSBURY | MA |
| 2016-12-12 | 774-570-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | SHREWSBURY | 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.