NumberResearchThousands-blocks in 708-393
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 708-393 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 708 blocks
Most active assignees, all time — NPA 708
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2020-08-26 | 708-393-0XXX | 0000–0999 | Assigned | STRATUS NETWORKS | 495J | BERWYN | IL |
| 2011-06-07 | 708-393-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | BERWYN | IL |
| 2004-12-20 | 708-393-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | BERWYN | IL |
| 2004-09-20 | 708-393-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | BERWYN | IL |
| 2002-12-19 | 708-393-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | BERWYN | IL |
| 2004-10-14 | 708-393-5XXX | 5000–5999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | BERWYN | IL |
| — | 708-393-6XXX | 6000–6999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | BERWYN | IL |
| 2004-12-01 | 708-393-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | BERWYN | IL |
| 2004-12-20 | 708-393-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | BERWYN | IL |
| — | 708-393-9XXX | 9000–9999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | BERWYN | 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.