NumberResearchThousands-blocks in 309-822
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 309-822 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 309 blocks
Most active assignees, all time — NPA 309
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 309-822-0XXX | 0000–0999 | Reserved | ILLINOIS BELL TEL CO | 9329 | SPRING BAY | IL |
| 2010-01-21 | 309-822-1XXX | 1000–1999 | Assigned | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | 846F | SPRING BAY | IL |
| 2012-07-31 | 309-822-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | SPRING BAY | IL |
| 2017-03-14 | 309-822-3XXX | 3000–3999 | Assigned | ONVOY, LLC | 224C | SPRING BAY | IL |
| 2004-06-22 | 309-822-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | SPRING BAY | IL |
| 2017-05-03 | 309-822-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | SPRING BAY | IL |
| — | 309-822-6XXX | 6000–6999 | Available | SPRING BAY | IL | ||
| 2017-03-08 | 309-822-7XXX | 7000–7999 | Assigned | TELNYX LLC | 073H | SPRING BAY | IL |
| — | 309-822-8XXX | 8000–8999 | Reserved | ILLINOIS BELL TEL CO | 9329 | SPRING BAY | IL |
| 2017-01-12 | 309-822-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | SPRING BAY | 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.