NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · 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.
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2023-11-02 | 682-339-3XXX | 3000–3999 | Assigned | NUSO, LLC | 478J | KELLER | TX |
| 2023-10-31 | 682-399-5XXX | 5000–5999 | Assigned | NUSO, LLC | 732J | FORT WORTH | TX |
| 2023-10-31 | 682-399-9XXX | 9000–9999 | Assigned | NUSO, LLC | 732J | FORT WORTH | TX |
| 2023-02-16 | 682-399-1XXX | 1000–1999 | Assigned | NUSO, LLC | 732J | FORT WORTH | TX |
| 2022-11-14 | 682-398-1XXX | 1000–1999 | Assigned | NUSO, LLC | 732J | ROANOKE | TX |
| 2020-11-27 | 682-339-1XXX | 1000–1999 | Assigned | NUSO, LLC | 478J | KELLER | TX |
| 2016-04-29 | 682-350-1XXX | 1000–1999 | Assigned | NUSO, LLC | 478J | FORT WORTH | TX |
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.