NumberResearchRecent thousands-block assignments
33 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026
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 346
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 |
|---|---|---|---|---|---|---|---|
| 2021-07-26 | 346-480-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | CROSBY | TX |
| 2021-07-26 | 346-480-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | CROSBY | TX |
| 2021-07-26 | 346-486-6XXX | 6000–6999 | Assigned | ONVOY, LLC - TX | 903C | LIVERPOOL | TX |
| 2021-07-26 | 346-486-7XXX | 7000–7999 | Assigned | ONVOY, LLC - TX | 903C | LIVERPOOL | TX |
| 2021-07-26 | 346-487-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | SEABROOK | TX |
| 2021-07-26 | 346-487-6XXX | 6000–6999 | Assigned | ONVOY, LLC - TX | 903C | SEABROOK | TX |
| 2021-07-26 | 346-489-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | LA PORTE | TX |
| 2021-07-26 | 346-489-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | LA PORTE | TX |
| 2021-07-26 | 346-489-6XXX | 6000–6999 | Assigned | ONVOY, LLC - TX | 903C | LA PORTE | TX |
| 2021-07-26 | 346-489-7XXX | 7000–7999 | Assigned | ONVOY, LLC - TX | 903C | LA PORTE | TX |
| 2021-07-26 | 346-744-4XXX | 4000–4999 | Assigned | FRACTEL, LLC | 965H | HSTNSUBURB | TX |
| 2021-07-23 | 346-470-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HUMBLE | TX |
| 2021-07-23 | 346-660-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | BAYTOWN | TX |
| 2021-07-23 | 346-699-0XXX | 0000–0999 | Assigned | ONVOY, LLC - TX | 903C | HSTNSUBURB | TX |
| 2021-07-23 | 346-699-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TX | 903C | HSTNSUBURB | TX |
| 2021-07-23 | 346-699-7XXX | 7000–7999 | Assigned | ONVOY, LLC - TX | 903C | HSTNSUBURB | TX |
| 2021-07-23 | 346-699-8XXX | 8000–8999 | Assigned | ONVOY, LLC - TX | 903C | HSTNSUBURB | TX |
| 2021-07-21 | 346-478-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | SPRING | TX |
| 2021-07-21 | 346-478-6XXX | 6000–6999 | Assigned | ONVOY, LLC - TX | 903C | SPRING | TX |
| 2021-07-21 | 346-478-7XXX | 7000–7999 | Assigned | ONVOY, LLC - TX | 903C | SPRING | TX |
| 2021-07-21 | 346-478-8XXX | 8000–8999 | Assigned | ONVOY, LLC - TX | 903C | SPRING | TX |
| 2021-07-20 | 346-483-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | APOLLO | TX |
| 2021-07-20 | 346-483-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | APOLLO | TX |
| 2021-07-20 | 346-483-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | APOLLO | TX |
| 2021-07-20 | 346-483-6XXX | 6000–6999 | Assigned | ONVOY, LLC - TX | 903C | APOLLO | TX |
| 2021-07-20 | 346-484-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | SHELDON | TX |
| 2021-07-20 | 346-484-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | SHELDON | TX |
| 2021-07-20 | 346-485-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | HUFFMAN | TX |
| 2021-07-20 | 346-485-6XXX | 6000–6999 | Assigned | ONVOY, LLC - TX | 903C | HUFFMAN | TX |
| 2021-07-16 | 346-482-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LANGHAMCRK | TX |
| 2021-07-16 | 346-482-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LANGHAMCRK | TX |
| 2021-07-16 | 346-482-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LANGHAMCRK | TX |
| 2021-07-16 | 346-922-2XXX | 2000–2999 | Assigned | FRACTEL, LLC | 965H | BROOKSHIRE | TX |
| 2021-07-16 | 346-933-3XXX | 3000–3999 | Assigned | FRACTEL, LLC | 965H | RICHMNRNBG | TX |
| 2021-07-16 | 346-971-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | HOUSTON | TX |
| 2021-07-16 | 346-971-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | HOUSTON | TX |
| 2021-07-09 | 346-472-2XXX | 2000–2999 | Assigned | ONVOY, LLC - TX | 903C | BAYTOWN | TX |
| 2021-07-09 | 346-472-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | BAYTOWN | TX |
| 2021-07-09 | 346-472-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | BAYTOWN | TX |
| 2021-07-09 | 346-472-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TX | 903C | BAYTOWN | TX |
| 2021-06-30 | 346-462-6XXX | 6000–6999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | CYPRESS | TX |
| 2021-06-30 | 346-468-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | TOMBALL | TX |
| 2021-06-30 | 346-478-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | SPRING | TX |
| 2021-06-30 | 346-478-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | SPRING | TX |
| 2021-06-30 | 346-566-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF TEXAS, LLC - TX | 177F | WESTFIELD | TX |
| 2021-06-30 | 346-688-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | MANVEL | TX |
| 2021-06-26 | 346-296-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | PINEHURST | TX |
| 2021-06-26 | 346-476-8XXX | 8000–8999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | ARCOLA | TX |
| 2021-06-24 | 346-482-2XXX | 2000–2999 | Assigned | ONVOY, LLC - TX | 903C | LANGHAMCRK | TX |
| 2021-06-24 | 346-482-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | LANGHAMCRK | TX |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.