NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/24/2026
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 909
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-03-06 | 909-358-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2025-01-24 | 909-308-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2025-01-24 | 909-668-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2025-01-24 | 909-840-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2025-01-24 | 909-840-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-10-09 | 909-840-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-10-09 | 909-840-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-10-09 | 909-840-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-10-09 | 909-840-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-06-21 | 909-334-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-06-21 | 909-668-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-06-21 | 909-840-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-06-21 | 909-840-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-06-21 | 909-840-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-05-10 | 909-273-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2024-05-10 | 909-846-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2024-03-26 | 909-668-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-03-26 | 909-668-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-03-26 | 909-668-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2024-01-23 | 909-404-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | UPLAND | CA |
| 2024-01-11 | 909-513-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2023-12-07 | 909-804-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | MARSHALL | CA |
| 2023-10-18 | 909-220-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | REDLANDS | CA |
| 2023-07-28 | 909-220-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | REDLANDS | CA |
| 2023-07-28 | 909-220-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | REDLANDS | CA |
| 2022-09-16 | 909-663-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | S BERNDINO | CA |
| 2022-09-01 | 909-697-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | FONTANA | CA |
| 2022-09-01 | 909-900-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | FONTANA | CA |
| 2022-08-11 | 909-602-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | REDLANDS | CA |
| 2022-05-13 | 909-925-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2022-04-27 | 909-848-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | REDLANDS | CA |
| 2021-11-15 | 909-970-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | CHINO | CA |
| 2021-09-10 | 909-504-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | CALIMESA | CA |
| 2021-09-10 | 909-504-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | CALIMESA | CA |
| 2021-08-27 | 909-533-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | COLTON | CA |
| 2021-08-27 | 909-791-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2021-07-16 | 909-968-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2021-07-16 | 909-968-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2021-07-16 | 909-968-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2021-06-30 | 909-905-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | CLAREMONT | CA |
| 2021-06-30 | 909-905-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | CLAREMONT | CA |
| 2021-06-30 | 909-905-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | CLAREMONT | CA |
| 2021-06-09 | 909-968-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2021-06-09 | 909-968-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | ARROWHEAD | CA |
| 2021-05-21 | 909-504-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | CALIMESA | CA |
| 2021-05-21 | 909-504-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | CALIMESA | CA |
| 2021-05-21 | 909-504-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | CALIMESA | CA |
| 2021-05-20 | 909-918-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | CALIMESA | CA |
| 2021-04-05 | 909-845-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | CALIMESA | CA |
| 2021-04-05 | 909-845-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | CALIMESA | CA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/24/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.