NumberResearchThousands-blocks in 323-922
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 323-922 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 323 blocks
Most active assignees, all time — NPA 323
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2019-01-11 | 323-922-0XXX | 0000–0999 | Assigned | METROPCS NETWORKS, LLC | 899D | LSAN DA 02 | CA |
| 2015-09-17 | 323-922-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | LSAN DA 02 | CA |
| 2015-11-24 | 323-922-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA |
| 2015-11-24 | 323-922-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA |
| 2015-12-11 | 323-922-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA |
| 2015-12-11 | 323-922-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA |
| 2016-05-18 | 323-922-6XXX | 6000–6999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | LSAN DA 02 | CA |
| 2016-04-26 | 323-922-7XXX | 7000–7999 | Assigned | METROPCS NETWORKS, LLC | 899D | LSAN DA 02 | CA |
| 2016-04-26 | 323-922-8XXX | 8000–8999 | Assigned | METROPCS NETWORKS, LLC | 899D | LSAN DA 02 | CA |
| 2016-02-26 | 323-922-9XXX | 9000–9999 | Assigned | METROPCS NETWORKS, LLC | 899D | LSAN DA 02 | CA |
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.