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 224
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-04-18 | 224-574-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SKOKIE | IL |
| 2025-04-18 | 224-574-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SKOKIE | IL |
| 2025-04-18 | 224-574-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SKOKIE | IL |
| 2025-04-18 | 224-621-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WAUKEGAN | IL |
| 2025-04-18 | 224-621-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WAUKEGAN | IL |
| 2025-04-18 | 224-621-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WAUKEGAN | IL |
| 2025-04-18 | 224-624-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ARLIGTNHTS | IL |
| 2025-04-18 | 224-624-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ARLIGTNHTS | IL |
| 2025-04-18 | 224-631-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ARLIGTNHTS | IL |
| 2025-04-14 | 224-224-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DESPLAINES | IL |
| 2025-04-14 | 224-224-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DESPLAINES | IL |
| 2025-04-14 | 224-224-6XXX | 6000–6999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DESPLAINES | IL |
| 2025-04-14 | 224-329-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ROSELLE | IL |
| 2025-04-14 | 224-528-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ROSELLE | IL |
| 2025-04-14 | 224-630-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ELGIN | IL |
| 2025-04-14 | 224-630-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ELGIN | IL |
| 2024-03-13 | 224-344-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WILMETTE | IL |
| 2024-03-13 | 224-380-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PLATO CTR | IL |
| 2024-03-13 | 224-502-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ROUND LAKE | IL |
| 2024-03-13 | 224-528-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ROSELLE | IL |
| 2024-03-13 | 224-561-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PALATINE | IL |
| 2024-03-13 | 224-576-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WAUKEGAN | IL |
| 2024-03-13 | 224-582-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | LAKE VILLA | IL |
| 2024-03-13 | 224-584-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WHEELING | IL |
| 2024-03-13 | 224-586-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | NORTHBROOK | IL |
| 2024-03-13 | 224-596-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MUNDELEIN | IL |
| 2024-03-13 | 224-597-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | LAKEZURICH | IL |
| 2024-03-13 | 224-606-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WAUCONDA | IL |
| 2024-03-13 | 224-702-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ZION | IL |
| 2024-03-13 | 224-966-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PISTAKHLDS | IL |
| 2024-03-12 | 224-445-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ANTIOCH | IL |
| 2024-03-12 | 224-549-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DUNDEE | IL |
| 2024-03-12 | 224-553-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ELK GROVE | IL |
| 2024-03-12 | 224-579-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HUNTLEY | IL |
| 2024-03-12 | 224-583-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | FRANKLINPK | IL |
| 2024-03-12 | 224-590-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HIGHLANDPK | IL |
| 2024-03-12 | 224-593-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GLENVIEW | IL |
| 2024-03-12 | 224-598-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DESPLAINES | IL |
| 2024-03-12 | 224-604-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ELGIN | IL |
| 2024-03-12 | 224-742-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HALF DAY | IL |
| 2024-03-12 | 224-837-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GLENCOE | IL |
| 2023-10-19 | 224-496-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SKOKIE | IL |
| 2023-10-19 | 224-496-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SKOKIE | IL |
| 2023-10-19 | 224-496-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SKOKIE | IL |
| 2023-10-19 | 224-536-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SKOKIE | IL |
| 2022-05-18 | 224-349-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ARLIGTNHTS | IL |
| 2022-03-09 | 224-431-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ARLIGTNHTS | IL |
| 2022-03-09 | 224-431-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ARLIGTNHTS | IL |
| 2022-01-27 | 224-450-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ALGONQUIN | IL |
| 2022-01-27 | 224-450-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ALGONQUIN | 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.