NumberResearchThousands-blocks in 847-787
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 847-787 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 847 blocks
Most active assignees, all time — NPA 847
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 847-787-0XXX | 0000–0999 | Reserved | ILLINOIS BELL TEL CO | 9329 | BENSENVL | IL |
| 2016-03-08 | 847-787-1XXX | 1000–1999 | Assigned | ONVOY, LLC | 224C | BENSENVL | IL |
| 2014-07-18 | 847-787-2XXX | 2000–2999 | Assigned | LEVEL 3 TELECOM OF ILLINOIS, LLC - IL | 138G | BENSENVL | IL |
| 2009-10-27 | 847-787-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | BENSENVL | IL |
| — | 847-787-4XXX | 4000–4999 | Reserved | ILLINOIS BELL TEL CO | 9329 | BENSENVL | IL |
| 2004-09-14 | 847-787-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BENSENVL | IL |
| 2020-01-22 | 847-787-6XXX | 6000–6999 | Assigned | ONVOY, LLC | 224C | BENSENVL | IL |
| 2012-01-19 | 847-787-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | BENSENVL | IL |
| 2005-01-26 | 847-787-8XXX | 8000–8999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | BENSENVL | IL |
| 2016-03-08 | 847-787-9XXX | 9000–9999 | Assigned | ONVOY, LLC | 224C | BENSENVL | 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.