NumberResearchThousands-blocks in 847-897
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 847-897 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 1998-10-23 | 847-897-0XXX | 0000–0999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | NORTHBROOK | IL |
| — | 847-897-1XXX | 1000–1999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | NORTHBROOK | IL |
| — | 847-897-2XXX | 2000–2999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | NORTHBROOK | IL |
| — | 847-897-3XXX | 3000–3999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | NORTHBROOK | IL |
| — | 847-897-4XXX | 4000–4999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | NORTHBROOK | IL |
| 1999-02-15 | 847-897-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | NORTHBROOK | IL |
| 2007-02-02 | 847-897-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | NORTHBROOK | IL |
| 2006-09-14 | 847-897-7XXX | 7000–7999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | NORTHBROOK | IL |
| 2004-08-11 | 847-897-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | NORTHBROOK | IL |
| — | 847-897-9XXX | 9000–9999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | NORTHBROOK | 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.