NumberResearchThousands-blocks in 405-735
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 405-735 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 |
|---|---|---|---|---|---|---|---|
| 2014-02-04 | 405-735-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | MOORE | OK |
| 2011-03-22 | 405-735-1XXX | 1000–1999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MOORE | OK |
| — | 405-735-2XXX | 2000–2999 | Reserved | PAETEC ITEL, LLC | 829J | MOORE | OK |
| 2002-06-19 | 405-735-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | MOORE | OK |
| 2005-01-03 | 405-735-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | MOORE | OK |
| 2005-06-29 | 405-735-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | MOORE | OK |
| 2003-02-18 | 405-735-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | MOORE | OK |
| 2006-03-13 | 405-735-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MOORE | OK |
| 2006-07-18 | 405-735-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | MOORE | OK |
| 2007-04-12 | 405-735-9XXX | 9000–9999 | Assigned | COMCAST IP PHONE, LLC | 318J | MOORE | 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.