NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, all time — NPA 815
New assignments by month
Sep 2026
Aug 2026
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Apr 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2026-08-18 | 815-794-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MARSEILLES | IL |
| 2026-07-08 | 815-215-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | NEW LENOX | IL |
| 2026-06-11 | 815-445-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MANLIUS | IL |
| 2026-05-11 | 815-278-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | KANKAKEE | IL |
| 2026-05-11 | 815-388-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MCHENRY | IL |
| 2026-05-11 | 815-705-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MORRIS | IL |
| 2026-03-05 | 815-628-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | W BROOKLYN | IL |
| 2026-02-19 | 815-876-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | PRINCETON | IL |
| 2025-12-22 | 815-826-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SOMONAUK | IL |
| 2025-12-22 | 815-944-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MOMENCE | IL |
| 2025-12-11 | 815-745-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WARREN | IL |
| 2025-12-11 | 815-781-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CHEBANSE | IL |
| 2025-12-11 | 815-794-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MARSEILLES | IL |
| 2025-10-30 | 815-664-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SPRING VLY | IL |
| 2025-10-30 | 815-894-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | LADD | IL |
| 2025-10-30 | 815-925-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | HENNEPIN | IL |
| 2025-09-11 | 815-823-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | JOLIET | IL |
| 2025-08-05 | 815-828-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MINOOKA | IL |
| 2025-08-05 | 815-839-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | KANKAKEE | IL |
| 2025-08-05 | 815-880-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WOODSTOCK | IL |
| 2025-07-02 | 815-489-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ROCKFORD | IL |
| 2025-07-02 | 815-528-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MCHENRY | IL |
| 2025-05-14 | 815-376-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | OHIO | IL |
| 2025-05-14 | 815-879-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | PRINCETON | IL |
| 2025-05-08 | 815-615-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MENDOTA | IL |
| 2025-05-08 | 815-638-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | LA MOILLE | IL |
| 2025-05-08 | 815-643-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DOVER | IL |
| 2025-05-02 | 815-497-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | COMPTON | IL |
| 2025-04-30 | 815-445-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MANLIUS | IL |
| 2025-04-30 | 815-745-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WARREN | IL |
| 2025-04-30 | 815-920-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CORNELL | IL |
| 2025-04-21 | 815-248-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DURAND | IL |
| 2025-04-21 | 815-414-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | EARLVILLE | IL |
| 2025-04-21 | 815-446-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CEDARPOINT | IL |
| 2025-04-21 | 815-492-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | APPLERIVER | IL |
| 2025-04-21 | 815-500-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MARSEILLES | IL |
| 2025-04-21 | 815-566-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | BELVIDERE | IL |
| 2025-04-21 | 815-570-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SANDWICH | IL |
| 2025-04-21 | 815-789-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ORANGEVL | IL |
| 2025-04-21 | 815-797-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SOMONAUK | IL |
| 2025-04-21 | 815-889-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MILFORD | IL |
| 2025-04-21 | 815-957-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ROCKTON | IL |
| 2025-04-21 | 815-984-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WELLINGTON | IL |
| 2024-12-02 | 815-669-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MCHENRY | IL |
| 2024-12-02 | 815-704-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SO BELOIT | IL |
| 2024-08-14 | 815-334-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WOODSTOCK | IL |
| 2024-08-14 | 815-407-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | LOCKPORT | IL |
| 2024-08-14 | 815-432-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WATSEKA | IL |
| 2024-07-16 | 815-507-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MOMENCE | IL |
| 2024-05-28 | 815-214-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | KANKAKEE | IL |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.