NumberResearchThousands-blocks in 815-214
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 815-214 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 |
|---|---|---|---|---|---|---|---|
| 2006-03-28 | 815-214-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | KANKAKEE | IL |
| 2008-02-05 | 815-214-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | KANKAKEE | IL |
| 2004-04-30 | 815-214-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | KANKAKEE | IL |
| — | 815-214-3XXX | 3000–3999 | Reserved | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | 8702 | KANKAKEE | IL |
| 2013-12-17 | 815-214-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | KANKAKEE | IL |
| 2005-01-26 | 815-214-5XXX | 5000–5999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | KANKAKEE | IL |
| 2024-05-28 | 815-214-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | KANKAKEE | IL |
| — | 815-214-7XXX | 7000–7999 | Available | KANKAKEE | IL | ||
| 2005-12-01 | 815-214-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | KANKAKEE | IL |
| 2008-11-14 | 815-214-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - IL | 984E | KANKAKEE | 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.