NumberResearchRecent thousands-block assignments
34 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, last 30 days — NPA 442
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-02-14 | 442-977-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | OCSD CRLS | CA |
| 2022-02-14 | 442-977-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | OCSD CRLS | CA |
| 2022-02-09 | 442-368-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | VICTORVL | CA |
| 2022-02-09 | 442-368-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | VICTORVL | CA |
| 2022-02-09 | 442-368-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | VICTORVL | CA |
| 2022-02-09 | 442-368-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | VICTORVL | CA |
| 2022-02-09 | 442-369-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | ENCINITAS | CA |
| 2022-02-09 | 442-369-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | ENCINITAS | CA |
| 2022-02-09 | 442-369-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | ENCINITAS | CA |
| 2022-02-08 | 442-966-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | RIDGECREST | CA |
| 2022-02-08 | 442-966-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | RIDGECREST | CA |
| 2022-02-08 | 442-966-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | RIDGECREST | CA |
| 2022-02-04 | 442-367-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | CALEXICO | CA |
| 2022-02-02 | 442-367-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CALEXICO | CA |
| 2022-01-27 | 442-367-3XXX | 3000–3999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | CALEXICO | CA |
| 2022-01-26 | 442-358-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | RAMONA | CA |
| 2022-01-26 | 442-522-2XXX | 2000–2999 | Assigned | FRACTEL, LLC | 965H | PARKER DAM | CA |
| 2022-01-25 | 442-566-3XXX | 3000–3999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | VALLEY CTR | CA |
| 2022-01-25 | 442-677-6XXX | 6000–6999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | PALMDESERT | CA |
| 2022-01-21 | 442-356-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | VTVL HSPR | CA |
| 2022-01-21 | 442-356-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | VTVL HSPR | CA |
| 2022-01-21 | 442-356-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | VTVL HSPR | CA |
| 2022-01-21 | 442-370-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | INDIO | CA |
| 2022-01-21 | 442-370-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | INDIO | CA |
| 2022-01-21 | 442-370-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | INDIO | CA |
| 2022-01-21 | 442-446-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CALIFORNCY | CA |
| 2022-01-21 | 442-637-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | INDIO | CA |
| 2022-01-21 | 442-637-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | INDIO | CA |
| 2022-01-21 | 442-637-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | INDIO | CA |
| 2022-01-14 | 442-373-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | BRAWLEY | CA |
| 2022-01-14 | 442-373-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | BRAWLEY | CA |
| 2022-01-14 | 442-375-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | OCSD OCSD | CA |
| 2022-01-14 | 442-375-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | OCSD OCSD | CA |
| 2022-01-14 | 442-637-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | INDIO | CA |
| 2022-01-14 | 442-733-6XXX | 6000–6999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | PINYON | CA |
| 2022-01-11 | 442-368-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | VICTORVL | CA |
| 2022-01-11 | 442-446-2XXX | 2000–2999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | CALIFORNCY | CA |
| 2022-01-11 | 442-786-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | BLYTHE | CA |
| 2022-01-10 | 442-366-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | PALM SPG | CA |
| 2022-01-10 | 442-370-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | INDIO | CA |
| 2022-01-10 | 442-370-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | INDIO | CA |
| 2022-01-10 | 442-370-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | INDIO | CA |
| 2022-01-10 | 442-370-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | INDIO | CA |
| 2022-01-10 | 442-370-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | INDIO | CA |
| 2022-01-10 | 442-646-4XXX | 4000–4999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | BRAWLEY | CA |
| 2022-01-09 | 442-766-5XXX | 5000–5999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | INYOKERN | CA |
| 2022-01-07 | 442-375-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | OCSD OCSD | CA |
| 2022-01-07 | 442-375-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | OCSD OCSD | CA |
| 2022-01-07 | 442-524-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | VTVL ADLN | CA |
| 2022-01-07 | 442-524-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | VTVL ADLN | CA |
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.