NumberResearchThousands-blocks in 405-864
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 405-864 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 405 blocks
Most active assignees, all time — NPA 405
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
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Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2020-12-04 | 405-864-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | CASHION | OK |
| 2020-08-11 | 405-864-1XXX | 1000–1999 | Assigned | WICHITA ONLINE, INC. - OK | 258F | CASHION | OK |
| — | 405-864-2XXX | 2000–2999 | Available | CASHION | OK | ||
| — | 405-864-3XXX | 3000–3999 | Available | CASHION | OK | ||
| 2021-02-02 | 405-864-4XXX | 4000–4999 | Assigned | ONVOY, LLC - OK | 409F | CASHION | OK |
| 2021-02-02 | 405-864-5XXX | 5000–5999 | Assigned | ONVOY, LLC - OK | 409F | CASHION | OK |
| 2025-10-27 | 405-864-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OK | 5257 | CASHION | OK |
| — | 405-864-7XXX | 7000–7999 | Available | CASHION | OK | ||
| 2024-12-23 | 405-864-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CASHION | OK |
| 2021-06-28 | 405-864-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF OKLAHOMA, LLC - OK | 384H | CASHION | OK |
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.