NumberResearchThousands-blocks in 815-465
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 815-465 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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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2018-07-10 | 815-465-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | GRANT PARK | IL |
| 2020-02-06 | 815-465-1XXX | 1000–1999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | GRANT PARK | IL |
| — | 815-465-2XXX | 2000–2999 | Reserved | ILLINOIS BELL TEL CO | 9329 | GRANT PARK | IL |
| 2004-10-28 | 815-465-3XXX | 3000–3999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | GRANT PARK | IL |
| — | 815-465-4XXX | 4000–4999 | Available | GRANT PARK | IL | ||
| 2006-06-21 | 815-465-5XXX | 5000–5999 | Assigned | ACCESS ONE, INC. - IL | 5447 | GRANT PARK | IL |
| — | 815-465-6XXX | 6000–6999 | Reserved | ILLINOIS BELL TEL CO | 9329 | GRANT PARK | IL |
| 2003-06-20 | 815-465-7XXX | 7000–7999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | GRANT PARK | IL |
| 2013-01-25 | 815-465-8XXX | 8000–8999 | Assigned | AT&T ENTERPRISES, LLC | 516C | GRANT PARK | IL |
| 2020-08-29 | 815-465-9XXX | 9000–9999 | Assigned | STRATUS NETWORKS | 495J | GRANT PARK | 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.