NumberResearchThousands-blocks in 815-290
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 815-290 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 815 blocks
Most active assignees, all time — NPA 815
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2010-04-09 | 815-290-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | MINOOKA | IL |
| 2024-02-08 | 815-290-1XXX | 1000–1999 | Assigned | ONVOY, LLC | 224C | MINOOKA | IL |
| 2014-01-28 | 815-290-2XXX | 2000–2999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MINOOKA | IL |
| 2008-09-16 | 815-290-3XXX | 3000–3999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | MINOOKA | IL |
| 2007-11-16 | 815-290-4XXX | 4000–4999 | Assigned | PAETEC ITEL, LLC | 829J | MINOOKA | IL |
| 2006-02-15 | 815-290-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MINOOKA | IL |
| 2021-06-03 | 815-290-6XXX | 6000–6999 | Assigned | IP HORIZON LLC | 515J | MINOOKA | IL |
| 2008-03-07 | 815-290-7XXX | 7000–7999 | Assigned | ILLINOIS BELL TEL CO | 9329 | MINOOKA | IL |
| 2006-07-11 | 815-290-8XXX | 8000–8999 | Assigned | ACCESS ONE, INC. - IL | 5447 | MINOOKA | IL |
| 2008-11-14 | 815-290-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | MINOOKA | 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.