NumberResearchThousands-blocks in 562-284
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 562-284 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 562 blocks
Most active assignees, all time — NPA 562
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-04-12 | 562-284-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | ALAMITOS | CA |
| 2014-09-10 | 562-284-1XXX | 1000–1999 | Assigned | METROPCS NETWORKS, LLC | 899D | ALAMITOS | CA |
| 2014-09-18 | 562-284-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | ALAMITOS | CA |
| 2017-07-19 | 562-284-3XXX | 3000–3999 | Assigned | METROPCS NETWORKS, LLC | 899D | ALAMITOS | CA |
| 2011-03-26 | 562-284-4XXX | 4000–4999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | ALAMITOS | CA |
| 2014-05-23 | 562-284-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ALAMITOS | CA |
| 2014-08-22 | 562-284-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | ALAMITOS | CA |
| 2010-05-28 | 562-284-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | ALAMITOS | CA |
| 2014-08-14 | 562-284-8XXX | 8000–8999 | Assigned | METROPCS NETWORKS, LLC | 899D | ALAMITOS | CA |
| 2012-01-12 | 562-284-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | ALAMITOS | 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.