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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-10-09 | 815-340-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | LA MOILLE | IL |
| 2024-10-09 | 815-379-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WALNUT | IL |
| 2024-10-09 | 815-437-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PUTNAM | IL |
| 2024-10-09 | 815-628-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | W BROOKLYN | IL |
| 2024-10-09 | 815-646-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | TISKILWA | IL |
| 2024-10-09 | 815-699-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WYANET | IL |
| 2024-10-09 | 815-925-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HENNEPIN | IL |
| 2024-10-08 | 815-497-6XXX | 6000–6999 | Assigned | ONVOY SPECTRUM, LLC | 624H | COMPTON | IL |
| 2024-10-08 | 815-643-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DOVER | IL |
| 2024-10-08 | 815-760-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | BUREAU | IL |
| 2024-10-01 | 815-598-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MASSBACH | IL |
| 2024-10-01 | 815-607-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PEARL CITY | IL |
| 2024-10-01 | 815-789-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ORANGEVL | IL |
| 2024-10-01 | 815-845-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SCALESMOND | IL |
| 2024-10-01 | 815-868-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MCCONNELL | IL |
| 2024-09-30 | 815-815-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | LADD | IL |
| 2024-09-30 | 815-815-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | LADD | IL |
| 2024-03-29 | 815-371-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | UTICA | IL |
| 2024-03-29 | 815-617-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | OTTAWA | IL |
| 2024-03-29 | 815-642-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MINOOKA | IL |
| 2024-03-29 | 815-658-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | NEWARK | IL |
| 2024-03-29 | 815-755-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SENECA | IL |
| 2024-03-29 | 815-779-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PLAINFIELD | IL |
| 2024-03-29 | 815-826-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SOMONAUK | IL |
| 2024-03-21 | 815-237-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GARDNER | IL |
| 2024-03-21 | 815-265-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GILMAN | IL |
| 2024-03-21 | 815-414-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | EARLVILLE | IL |
| 2024-03-21 | 815-974-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HEBRON | IL |
| 2023-06-08 | 815-454-6XXX | 6000–6999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SHEFFIELD | IL |
| 2023-06-07 | 815-571-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SHANNON | IL |
| 2023-06-07 | 815-849-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SUBLETTE | IL |
| 2023-06-07 | 815-982-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | TAMPICO | IL |
| 2023-06-06 | 815-576-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | POLO | IL |
| 2023-06-06 | 815-855-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MILLEDGEVL | IL |
| 2023-06-06 | 815-859-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ROCHELLE | IL |
| 2023-06-06 | 815-881-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | OREGON | IL |
| 2023-06-06 | 815-913-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CHADWICK | IL |
| 2023-06-06 | 815-989-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PROPHETSTN | IL |
| 2023-06-02 | 815-951-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | AMBOY | IL |
| 2023-05-03 | 815-559-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CHENOA | IL |
| 2023-05-03 | 815-567-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CAMPUS | IL |
| 2023-05-03 | 815-647-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CULLOM | IL |
| 2023-05-03 | 815-688-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | STRAWN | IL |
| 2023-05-03 | 815-702-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | SAUNEMIN | IL |
| 2023-05-03 | 815-998-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ODELL | IL |
| 2021-12-28 | 815-927-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | JOLIET | IL |
| 2021-12-17 | 815-375-6XXX | 6000–6999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DE KALB | IL |
| 2021-12-17 | 815-375-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DE KALB | IL |
| 2021-12-17 | 815-901-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DE KALB | IL |
| 2021-11-18 | 815-449-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DAKOTA | 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.