NumberResearchRecent thousands-block assignments
15 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
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 341
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 |
|---|---|---|---|---|---|---|---|
| 2022-12-12 | 341-224-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FRNK MAIN | CA |
| 2022-12-12 | 341-224-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FRNK MAIN | CA |
| 2022-12-12 | 341-224-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FRNK MAIN | CA |
| 2022-12-12 | 341-224-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FRNK MAIN | CA |
| 2022-12-12 | 341-224-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FRNK MAIN | CA |
| 2022-12-12 | 341-224-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FRNK MAIN | CA |
| 2022-11-22 | 341-220-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | OKLD MN-PD | CA |
| 2022-11-22 | 341-220-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | OKLD MN-PD | CA |
| 2022-11-22 | 341-223-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | OKLD ALMD | CA |
| 2022-11-16 | 341-218-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | OKLD FRTVL | CA |
| 2022-11-16 | 341-218-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | OKLD FRTVL | CA |
| 2022-11-15 | 341-223-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-11-15 | 341-223-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-11-15 | 341-223-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-11-03 | 341-223-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | OKLD ALMD | CA |
| 2022-11-03 | 341-223-1XXX | 1000–1999 | Assigned | COMMIO, LLC | 939H | OKLD ALMD | CA |
| 2022-11-03 | 341-223-2XXX | 2000–2999 | Assigned | COMMIO, LLC | 939H | OKLD ALMD | CA |
| 2022-10-26 | 341-214-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | HRCUL-RODE | CA |
| 2022-10-26 | 341-214-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | HRCUL-RODE | CA |
| 2022-10-26 | 341-220-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | OKLD MN-PD | CA |
| 2022-10-20 | 341-220-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OKLD MN-PD | CA |
| 2022-10-20 | 341-220-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OKLD MN-PD | CA |
| 2022-10-20 | 341-220-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OKLD MN-PD | CA |
| 2022-10-20 | 341-220-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OKLD MN-PD | CA |
| 2022-10-20 | 341-220-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | OKLD MN-PD | CA |
| 2022-10-10 | 341-218-6XXX | 6000–6999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | OKLD FRTVL | CA |
| 2022-10-10 | 341-218-7XXX | 7000–7999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | OKLD FRTVL | CA |
| 2022-10-10 | 341-218-8XXX | 8000–8999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | OKLD FRTVL | CA |
| 2022-10-10 | 341-218-9XXX | 9000–9999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | OKLD FRTVL | CA |
| 2022-09-19 | 341-220-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7145 | OKLD MN-PD | CA |
| 2022-09-19 | 341-220-8XXX | 8000–8999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7145 | OKLD MN-PD | CA |
| 2022-09-16 | 341-214-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | HRCUL-RODE | CA |
| 2022-09-13 | 341-202-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | OKLD MN-PD | CA |
| 2022-09-13 | 341-213-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | OKLD MN-PD | CA |
| 2022-09-13 | 341-217-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-09-13 | 341-217-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-09-13 | 341-217-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-09-13 | 341-217-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-09-13 | 341-217-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-09-13 | 341-217-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-09-13 | 341-217-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-09-13 | 341-217-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-09-13 | 341-217-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | OKLD ALMD | CA |
| 2022-09-13 | 341-300-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | RICHMOND | CA |
| 2022-09-13 | 341-300-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | RICHMOND | CA |
| 2022-09-13 | 341-300-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CA | 649C | RICHMOND | CA |
| 2022-09-13 | 341-342-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CA | 649C | FRNK OLIVR | CA |
| 2022-09-13 | 341-342-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | FRNK OLIVR | CA |
| 2022-09-13 | 341-342-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | FRNK OLIVR | CA |
| 2022-09-13 | 341-342-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CA | 649C | FRNK OLIVR | CA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.