NumberResearchThousands-blocks in 224-286
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 224-286 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 224 blocks
Most active assignees, all time — NPA 224
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 |
|---|---|---|---|---|---|---|---|
| 2020-08-30 | 224-286-0XXX | 0000–0999 | Assigned | STRATUS NETWORKS | 495J | LAKEZURICH | IL |
| 2010-02-02 | 224-286-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | LAKEZURICH | IL |
| 2024-01-04 | 224-286-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | LAKEZURICH | IL |
| 2024-01-31 | 224-286-3XXX | 3000–3999 | Assigned | ONVOY, LLC | 224C | LAKEZURICH | IL |
| 2008-11-13 | 224-286-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | LAKEZURICH | IL |
| 2019-04-18 | 224-286-5XXX | 5000–5999 | Assigned | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 063E | LAKEZURICH | IL |
| 2005-11-23 | 224-286-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | LAKEZURICH | IL |
| 2005-11-02 | 224-286-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LAKEZURICH | IL |
| 2005-11-02 | 224-286-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LAKEZURICH | IL |
| — | 224-286-9XXX | 9000–9999 | Available | LAKEZURICH | IL |
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.