NumberResearchRecent thousands-block assignments
17 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 650
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 |
|---|---|---|---|---|---|---|---|
| 2010-01-27 | 650-336-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MT VIEW | CA |
| 2010-01-27 | 650-336-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MT VIEW | CA |
| 2010-01-27 | 650-383-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LOS ALTOS | CA |
| 2010-01-27 | 650-383-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | LOS ALTOS | CA |
| 2010-01-27 | 650-396-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MT VIEW | CA |
| 2010-01-27 | 650-741-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | SSNFRNCSCO | CA |
| 2010-01-27 | 650-741-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | SSNFRNCSCO | CA |
| 2010-01-27 | 650-741-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | SSNFRNCSCO | CA |
| 2010-01-19 | 650-264-3XXX | 3000–3999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | SNCRL-BLMT | CA |
| 2010-01-19 | 650-351-9XXX | 9000–9999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | SSNFRNCSCO | CA |
| 2010-01-19 | 650-434-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | WOODSIDE | CA |
| 2010-01-19 | 650-490-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | MILLBRAE | CA |
| 2010-01-19 | 650-516-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | PACIFICA | CA |
| 2010-01-07 | 650-228-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SSNFRNCSCO | CA |
| 2009-12-19 | 650-605-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MT VIEW | CA |
| 2009-12-17 | 650-763-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | SSNFRNCSCO | CA |
| 2009-12-14 | 650-673-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | LA HONDA | CA |
| 2009-12-11 | 650-276-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | HALFMOONBY | CA |
| 2009-12-11 | 650-276-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | HALFMOONBY | CA |
| 2009-12-09 | 650-260-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | REDWOOD CY | CA |
| 2009-12-09 | 650-260-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | REDWOOD CY | CA |
| 2009-12-09 | 650-260-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | REDWOOD CY | CA |
| 2009-12-09 | 650-260-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | REDWOOD CY | CA |
| 2009-12-09 | 650-395-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | REDWOOD CY | CA |
| 2009-12-09 | 650-395-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | REDWOOD CY | CA |
| 2009-12-09 | 650-399-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | REDWOOD CY | CA |
| 2009-12-09 | 650-399-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | REDWOOD CY | CA |
| 2009-11-24 | 650-434-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | WOODSIDE | CA |
| 2009-11-24 | 650-835-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | SSNFRNCSCO | CA |
| 2009-11-23 | 650-260-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | REDWOOD CY | CA |
| 2009-11-23 | 650-262-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | PESCADERO | CA |
| 2009-11-23 | 650-263-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | MOSS BEACH | CA |
| 2009-11-23 | 650-339-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | SNCRL-BLMT | CA |
| 2009-11-23 | 650-451-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | PACIFICA | CA |
| 2009-11-23 | 650-646-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | PALO ALTO | CA |
| 2009-11-23 | 650-653-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | SAN MATEO | CA |
| 2009-11-23 | 650-810-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | MT VIEW | CA |
| 2009-11-20 | 650-239-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | MILLBRAE | CA |
| 2009-11-20 | 650-419-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | LA HONDA | CA |
| 2009-11-20 | 650-518-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | LOS ALTOS | CA |
| 2009-11-19 | 650-889-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | HALFMOONBY | CA |
| 2009-11-09 | 650-864-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CA | 649C | MT VIEW | CA |
| 2009-11-05 | 650-486-1XXX | 1000–1999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | SNCRL-BLMT | CA |
| 2009-10-22 | 650-235-7XXX | 7000–7999 | Assigned | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | SAN MATEO | CA |
| 2009-10-21 | 650-741-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | SSNFRNCSCO | CA |
| 2009-10-15 | 650-390-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MT VIEW | CA |
| 2009-10-15 | 650-390-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MT VIEW | CA |
| 2009-10-13 | 650-200-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | SAN MATEO | CA |
| 2009-10-13 | 650-200-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | SAN MATEO | CA |
| 2009-10-12 | 650-204-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | MILLBRAE | 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.