NumberResearchThousands-blocks in 224-601
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 224-601 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 |
|---|---|---|---|---|---|---|---|
| 2013-04-04 | 224-601-0XXX | 0000–0999 | Assigned | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 063E | SKOKIE | IL |
| 2013-04-04 | 224-601-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 063E | SKOKIE | IL |
| 2012-09-07 | 224-601-2XXX | 2000–2999 | Assigned | ILLINOIS BELL TEL CO | 9329 | SKOKIE | IL |
| 2013-03-28 | 224-601-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | SKOKIE | IL |
| 2013-08-12 | 224-601-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | SKOKIE | IL |
| 2013-06-07 | 224-601-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | SKOKIE | IL |
| 2013-06-07 | 224-601-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | SKOKIE | IL |
| 2013-05-30 | 224-601-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | SKOKIE | IL |
| 2014-03-20 | 224-601-8XXX | 8000–8999 | Assigned | ONVOY, LLC | 224C | SKOKIE | IL |
| 2013-04-09 | 224-601-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | SKOKIE | IL |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.