NumberResearchThousands-blocks in 224-643
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 224-643 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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Jun 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-02-23 | 224-643-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | LAKE VILLA | IL |
| 2013-04-04 | 224-643-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 063E | LAKE VILLA | IL |
| 2002-06-27 | 224-643-2XXX | 2000–2999 | Assigned | ILLINOIS BELL TEL CO | 9329 | LAKE VILLA | IL |
| 2006-04-25 | 224-643-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | LAKE VILLA | IL |
| 2003-07-30 | 224-643-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | LAKE VILLA | IL |
| 2004-04-30 | 224-643-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | LAKE VILLA | IL |
| — | 224-643-6XXX | 6000–6999 | Available | LAKE VILLA | IL | ||
| 2004-04-30 | 224-643-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | LAKE VILLA | IL |
| — | 224-643-8XXX | 8000–8999 | Available | LAKE VILLA | IL | ||
| 2023-07-25 | 224-643-9XXX | 9000–9999 | Assigned | ONVOY, LLC | 224C | LAKE VILLA | 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.