NumberResearchThousands-blocks in 815-268
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 815-268 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2011-10-18 | 815-268-0XXX | 0000–0999 | Assigned | AT&T ENTERPRISES, LLC | 516C | ONARGA | IL |
| 2006-07-11 | 815-268-1XXX | 1000–1999 | Assigned | ACCESS ONE, INC. - IL | 5447 | ONARGA | IL |
| — | 815-268-2XXX | 2000–2999 | Available | ONARGA | IL | ||
| — | 815-268-3XXX | 3000–3999 | Available | ONARGA | IL | ||
| — | 815-268-4XXX | 4000–4999 | Reserved | ILLINOIS BELL TEL CO | 9329 | ONARGA | IL |
| 2008-02-04 | 815-268-5XXX | 5000–5999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | ONARGA | IL |
| — | 815-268-6XXX | 6000–6999 | Available | ONARGA | IL | ||
| — | 815-268-7XXX | 7000–7999 | Reserved | ILLINOIS BELL TEL CO | 9329 | ONARGA | IL |
| 2009-11-02 | 815-268-8XXX | 8000–8999 | Assigned | PAETEC ITEL, LLC | 829J | ONARGA | IL |
| 2013-09-16 | 815-268-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 063E | ONARGA | 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.