NumberResearchThousands-blocks in 774-223
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 774-223 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2011-10-14 | 774-223-0XXX | 0000–0999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | BROCKTON | MA |
| 2011-10-14 | 774-223-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | BROCKTON | MA |
| 2011-10-14 | 774-223-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | BROCKTON | MA |
| 2011-10-14 | 774-223-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | BROCKTON | MA |
| 2011-10-14 | 774-223-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | BROCKTON | MA |
| 2012-10-26 | 774-223-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | BROCKTON | MA |
| 2013-03-15 | 774-223-6XXX | 6000–6999 | Assigned | IP HORIZON LLC | 515J | BROCKTON | MA |
| 2013-03-22 | 774-223-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | BROCKTON | MA |
| 2012-11-12 | 774-223-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | BROCKTON | MA |
| 2014-02-24 | 774-223-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | BROCKTON | 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.