NumberResearchThousands-blocks in 405-268
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 405-268 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2010-11-22 | 405-268-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | PAULS VLY | OK |
| 2010-08-23 | 405-268-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PAULS VLY | OK |
| 2007-04-23 | 405-268-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PAULS VLY | OK |
| 2006-06-09 | 405-268-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | PAULS VLY | OK |
| 2011-12-01 | 405-268-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | PAULS VLY | OK |
| 2017-05-25 | 405-268-5XXX | 5000–5999 | Assigned | TELNYX LLC | 073H | PAULS VLY | OK |
| 2019-06-18 | 405-268-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | PAULS VLY | OK |
| 2018-05-15 | 405-268-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK | 5813 | PAULS VLY | OK |
| 2011-12-21 | 405-268-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | PAULS VLY | OK |
| — | 405-268-9XXX | 9000–9999 | Reserved | METROPCS, INC. | 5562 | PAULS VLY | OK |
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.