NumberResearchThousands-blocks in 660-734
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 660-734 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 660 blocks
Most active assignees, all time — NPA 660
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 660-734-0XXX | 0000–0999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BROOKFIELD | MO |
| — | 660-734-1XXX | 1000–1999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BROOKFIELD | MO |
| — | 660-734-2XXX | 2000–2999 | Reserved | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BROOKFIELD | MO |
| 2008-01-07 | 660-734-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BROOKFIELD | MO |
| 2009-06-15 | 660-734-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BROOKFIELD | MO |
| 2011-07-05 | 660-734-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BROOKFIELD | MO |
| — | 660-734-6XXX | 6000–6999 | Available | BROOKFIELD | MO | ||
| 2026-07-07 | 660-734-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | BROOKFIELD | MO |
| 2004-06-08 | 660-734-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BROOKFIELD | MO |
| 2021-11-16 | 660-734-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | BROOKFIELD | MO |
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.