NumberResearchThousands-blocks in 815-418
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 815-418 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 |
|---|---|---|---|---|---|---|---|
| 2026-01-14 | 815-418-0XXX | 0000–0999 | Assigned | ONVOY, LLC | 224C | MANHATTAN | IL |
| — | 815-418-1XXX | 1000–1999 | Reserved | FIRST COMMUNICATIONS, LLC | 460K | MANHATTAN | IL |
| 2007-12-20 | 815-418-2XXX | 2000–2999 | Assigned | PAETEC ITEL, LLC | 829J | MANHATTAN | IL |
| 2006-11-01 | 815-418-3XXX | 3000–3999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MANHATTAN | IL |
| 2018-02-20 | 815-418-4XXX | 4000–4999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | MANHATTAN | IL |
| 2010-04-27 | 815-418-5XXX | 5000–5999 | Assigned | ONVOY, LLC | 224C | MANHATTAN | IL |
| 2012-08-24 | 815-418-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | MANHATTAN | IL |
| 2012-09-05 | 815-418-7XXX | 7000–7999 | Assigned | ONVOY, LLC | 224C | MANHATTAN | IL |
| 2014-01-28 | 815-418-8XXX | 8000–8999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MANHATTAN | IL |
| — | 815-418-9XXX | 9000–9999 | Available | MANHATTAN | 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.