NumberResearchThousands-blocks in 458-235
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 458-235 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 458 blocks
Most active assignees, all time — NPA 458
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-07-26 | 458-235-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | BOARDMAN | OR |
| — | 458-235-1XXX | 1000–1999 | Available | BOARDMAN | OR | ||
| 2018-08-06 | 458-235-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OR | 3234 | BOARDMAN | OR |
| — | 458-235-3XXX | 3000–3999 | Available | BOARDMAN | OR | ||
| 2019-08-26 | 458-235-4XXX | 4000–4999 | Assigned | ONVOY, LLC - OR | 750E | BOARDMAN | OR |
| — | 458-235-5XXX | 5000–5999 | Available | BOARDMAN | OR | ||
| — | 458-235-6XXX | 6000–6999 | Available | BOARDMAN | OR | ||
| — | 458-235-7XXX | 7000–7999 | Available | BOARDMAN | OR | ||
| — | 458-235-8XXX | 8000–8999 | Available | BOARDMAN | OR | ||
| 2020-04-07 | 458-235-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BOARDMAN | OR |
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.