NumberResearchThousands-blocks in 734-828
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 734-828 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 734 blocks
Most active assignees, all time — NPA 734
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-04-07 | 734-828-0XXX | 0000–0999 | Assigned | ACD TELECOM, INC. - MI | 3535 | DUNDEE | MI |
| 2005-06-21 | 734-828-1XXX | 1000–1999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | DUNDEE | MI |
| 2025-04-30 | 734-828-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DUNDEE | MI |
| 2017-02-08 | 734-828-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | DUNDEE | MI |
| 2016-09-26 | 734-828-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | DUNDEE | MI |
| 2024-02-15 | 734-828-5XXX | 5000–5999 | Assigned | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | DUNDEE | MI |
| 2003-12-11 | 734-828-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | DUNDEE | MI |
| 2005-05-10 | 734-828-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | DUNDEE | MI |
| — | 734-828-8XXX | 8000–8999 | Reserved | PAETEC ITEL, LLC | 829J | DUNDEE | MI |
| 2017-05-23 | 734-828-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | DUNDEE | MI |
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.