NumberResearchRecent thousands-block assignments
12 blocks assigned in October 2025 · from the daily NANPA thousands-block report, 09/20/2026
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, October 2025 — NPA 708
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-10-31 | 708-487-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | RIVERDALE | IL |
| 2025-10-31 | 708-768-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | RIVERDALE | IL |
| 2025-10-31 | 708-913-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | HARVEY | IL |
| 2025-10-23 | 708-428-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ORLAND | IL |
| 2025-10-23 | 708-942-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ORLAND | IL |
| 2025-10-09 | 708-954-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BLUEISLAND | IL |
| 2025-10-02 | 708-230-0XXX | 0000–0999 | Assigned | ONVOY, LLC | 224C | FOREST | IL |
| 2025-10-02 | 708-251-7XXX | 7000–7999 | Assigned | ONVOY, LLC | 224C | LANSING | IL |
| 2025-10-02 | 708-290-8XXX | 8000–8999 | Assigned | ONVOY, LLC | 224C | BROOKFIELD | IL |
| 2025-10-02 | 708-402-6XXX | 6000–6999 | Assigned | ONVOY, LLC | 224C | RIVERGROVE | IL |
| 2025-10-02 | 708-526-5XXX | 5000–5999 | Assigned | ONVOY, LLC | 224C | RIVERSIDE | IL |
| 2025-10-02 | 708-939-0XXX | 0000–0999 | Assigned | ONVOY, LLC | 224C | MAYWOOD | 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.