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 920
New assignments by month
Sep 2026
Aug 2026
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May 2026
Apr 2026
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Dec 2025
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-02-10 | 920-227-6XXX | 6000–6999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-227-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-283-6XXX | 6000–6999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-283-7XXX | 7000–7999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-548-2XXX | 2000–2999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-548-3XXX | 3000–3999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-548-5XXX | 5000–5999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-641-7XXX | 7000–7999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-712-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-712-3XXX | 3000–3999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-712-5XXX | 5000–5999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-712-8XXX | 8000–8999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-712-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-713-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-785-1XXX | 1000–1999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-785-2XXX | 2000–2999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-785-3XXX | 3000–3999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-785-4XXX | 4000–4999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2025-02-10 | 920-873-7XXX | 7000–7999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | GREEN BAY | WI |
| 2024-09-20 | 920-484-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | FALL RIVER | WI |
| 2023-08-02 | 920-900-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | WATERTOWN | WI |
| 2022-08-02 | 920-994-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | RANDOMLAKE | WI |
| 2022-05-05 | 920-838-8XXX | 8000–8999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | PLYMOUTH | WI |
| 2022-04-19 | 920-414-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | NEENAH | WI |
| 2021-11-03 | 920-817-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | FTATKINSON | WI |
| 2021-08-12 | 920-549-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | RANDOLPH | WI |
| 2020-09-25 | 920-372-4XXX | 4000–4999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | KAUKAUNA | WI |
| 2020-07-28 | 920-872-3XXX | 3000–3999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | ROSENDALE | WI |
| 2020-04-06 | 920-728-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | FTATKINSON | WI |
| 2020-04-01 | 920-290-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | BERLIN | WI |
| 2020-04-01 | 920-538-7XXX | 7000–7999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | NEW LONDON | WI |
| 2020-03-25 | 920-782-1XXX | 1000–1999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | CLEVELAND | WI |
| 2019-05-29 | 920-826-8XXX | 8000–8999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | ABRAMS | WI |
| 2018-09-10 | 920-340-5XXX | 5000–5999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | CHILTON | WI |
| 2018-08-23 | 920-937-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | OAKFIELD | WI |
| 2017-09-05 | 920-647-2XXX | 2000–2999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | WAUTOMA | WI |
| 2017-06-23 | 920-637-8XXX | 8000–8999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | NEENAH | WI |
| 2016-11-07 | 920-767-3XXX | 3000–3999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | MARKESAN | WI |
| 2016-07-26 | 920-583-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | OAKFIELD | WI |
| 2016-05-27 | 920-794-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | TWO RIVERS | WI |
| 2016-05-03 | 920-949-1XXX | 1000–1999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | KAUKAUNA | WI |
| 2015-12-09 | 920-253-3XXX | 3000–3999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | WATERTOWN | WI |
| 2015-12-07 | 920-286-4XXX | 4000–4999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | KIEL | WI |
| 2015-10-19 | 920-896-5XXX | 5000–5999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | RIPON | WI |
| 2015-10-15 | 920-326-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | RANDOLPH | WI |
| 2015-10-15 | 920-348-8XXX | 8000–8999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | CAMBRIA | WI |
| 2015-10-01 | 920-728-8XXX | 8000–8999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | FTATKINSON | WI |
| 2015-07-02 | 920-838-6XXX | 6000–6999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | PLYMOUTH | WI |
| 2015-06-02 | 920-583-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | OAKFIELD | WI |
| 2014-12-23 | 920-637-4XXX | 4000–4999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | NEENAH | 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.