NumberResearchThousands-blocks in 708-784
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 708-784 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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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 708-784-0XXX | 0000–0999 | Reserved | ILLINOIS BELL TEL CO | 9329 | WESTERNSPG | IL |
| — | 708-784-1XXX | 1000–1999 | Reserved | ILLINOIS BELL TEL CO | 9329 | WESTERNSPG | IL |
| — | 708-784-2XXX | 2000–2999 | Reserved | ILLINOIS BELL TEL CO | 9329 | WESTERNSPG | IL |
| — | 708-784-3XXX | 3000–3999 | Reserved | ILLINOIS BELL TEL CO | 9329 | WESTERNSPG | IL |
| 2023-07-06 | 708-784-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WESTERNSPG | IL |
| 2004-06-16 | 708-784-5XXX | 5000–5999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | WESTERNSPG | IL |
| 2006-03-09 | 708-784-6XXX | 6000–6999 | Assigned | AT&T ENTERPRISES, LLC | 516C | WESTERNSPG | IL |
| — | 708-784-7XXX | 7000–7999 | Available | WESTERNSPG | IL | ||
| — | 708-784-8XXX | 8000–8999 | Available | WESTERNSPG | IL | ||
| — | 708-784-9XXX | 9000–9999 | Reserved | ILLINOIS BELL TEL CO | 9329 | WESTERNSPG | 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.