NumberResearchThousands-blocks in 815-894
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 815-894 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 |
|---|---|---|---|---|---|---|---|
| 2025-10-30 | 815-894-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | LADD | IL |
| 2020-07-07 | 815-894-1XXX | 1000–1999 | Assigned | STRATUS NETWORKS | 495J | LADD | IL |
| — | 815-894-2XXX | 2000–2999 | Reserved | FRONTIER NORTH, INC. - IL | 1015 | LADD | IL |
| — | 815-894-3XXX | 3000–3999 | Reserved | FRONTIER NORTH, INC. - IL | 1015 | LADD | IL |
| 2006-08-01 | 815-894-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | LADD | IL |
| 2023-07-18 | 815-894-5XXX | 5000–5999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | LADD | IL |
| 2016-06-29 | 815-894-6XXX | 6000–6999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | LADD | IL |
| 2015-10-12 | 815-894-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 063E | LADD | IL |
| 2007-08-16 | 815-894-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | LADD | IL |
| — | 815-894-9XXX | 9000–9999 | Reserved | FRONTIER NORTH, INC. - IL | 1015 | LADD | 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.