NumberResearchThousands-blocks in 660-252
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 660-252 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
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 660-252-0XXX | 0000–0999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | TIPTON | MO |
| 2014-04-10 | 660-252-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF MISSOURI, LLC - MO | 225F | TIPTON | MO |
| 2020-07-15 | 660-252-2XXX | 2000–2999 | Assigned | TELNYX LLC | 073H | TIPTON | MO |
| 2026-05-21 | 660-252-3XXX | 3000–3999 | Assigned | PEERLESS NETWORK OF MISSOURI, LLC - MO | 225F | TIPTON | MO |
| — | 660-252-4XXX | 4000–4999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | TIPTON | MO |
| — | 660-252-5XXX | 5000–5999 | Available | TIPTON | MO | ||
| 2023-03-21 | 660-252-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - MO | 7218 | TIPTON | MO |
| 2013-10-08 | 660-252-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | TIPTON | MO |
| 2026-04-01 | 660-252-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | TIPTON | MO |
| — | 660-252-9XXX | 9000–9999 | Available | TIPTON | 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.