NumberResearchThousands-blocks in 224-338
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 224-338 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2006-10-17 | 224-338-0XXX | 0000–0999 | Assigned | COMCAST IP PHONE, LLC | 318J | ROUND LAKE | IL |
| 2010-06-18 | 224-338-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | ROUND LAKE | IL |
| — | 224-338-2XXX | 2000–2999 | Available | ROUND LAKE | IL | ||
| 2009-11-04 | 224-338-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | ROUND LAKE | IL |
| — | 224-338-4XXX | 4000–4999 | Assigned (pending) | ROUND LAKE | IL | ||
| 2010-08-11 | 224-338-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | ROUND LAKE | IL |
| 2010-09-30 | 224-338-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | ROUND LAKE | IL |
| 2011-05-19 | 224-338-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | ROUND LAKE | IL |
| 2007-08-02 | 224-338-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | ROUND LAKE | IL |
| 2008-11-13 | 224-338-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | ROUND LAKE | 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.