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.
Most active assignees, all time — NPA 608
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2023-05-02 | 608-330-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | PLATTEVL | WI |
| 2023-05-02 | 608-899-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | WOODMAN | WI |
| 2022-11-07 | 608-696-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | SPARTA | WI |
| 2022-11-07 | 608-801-1XXX | 1000–1999 | Assigned | COMMIO, LLC | 939H | DE FOREST | WI |
| 2022-10-17 | 608-318-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | SUNPRAIRIE | WI |
| 2022-10-17 | 608-656-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | MAUSTON | WI |
| 2022-09-01 | 608-746-8XXX | 8000–8999 | Assigned | COMMIO, LLC | 939H | JANESVILLE | WI |
| 2022-09-01 | 608-883-8XXX | 8000–8999 | Assigned | COMMIO, LLC | 939H | RICHMOND | WI |
| 2022-07-22 | 608-502-1XXX | 1000–1999 | Assigned | COMMIO, LLC | 939H | EVANSVILLE | WI |
| 2022-07-22 | 608-671-3XXX | 3000–3999 | Assigned | COMMIO, LLC | 939H | BELOIT | WI |
| 2022-07-22 | 608-730-1XXX | 1000–1999 | Assigned | COMMIO, LLC | 939H | STOUGHTON | WI |
| 2021-06-17 | 608-591-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | LODI | WI |
| 2021-06-17 | 608-591-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | LODI | WI |
| 2021-06-17 | 608-592-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | LODI | WI |
| 2019-04-19 | 608-867-5XXX | 5000–5999 | Assigned | COMMIO, LLC | 939H | MADISON | WI |
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.