NumberResearchRecent thousands-block assignments
6 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 283
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 |
|---|---|---|---|---|---|---|---|
| 2023-12-27 | 283-203-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CINCINNATI | OH |
| 2023-12-27 | 283-203-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CINCINNATI | OH |
| 2023-12-27 | 283-203-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CINCINNATI | OH |
| 2023-12-27 | 283-333-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CINCINNATI | OH |
| 2023-12-11 | 283-200-3XXX | 3000–3999 | Assigned | ONVOY, LLC - OH | 464C | TRENTON | OH |
| 2023-12-11 | 283-202-0XXX | 0000–0999 | Assigned | ONVOY, LLC - OH | 464C | MORROW | OH |
| 2023-12-11 | 283-214-0XXX | 0000–0999 | Assigned | ONVOY, LLC - OH | 464C | NEWTONSVL | OH |
| 2023-12-07 | 283-212-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | HAMILTON | OH |
| 2023-12-07 | 283-212-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | HAMILTON | OH |
| 2023-11-22 | 283-203-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CINCINNATI | OH |
| 2023-11-22 | 283-203-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CINCINNATI | OH |
| 2023-11-17 | 283-333-3XXX | 3000–3999 | Assigned | WIDE VOICE, LLC - OH | 765H | CINCINNATI | OH |
| 2023-11-17 | 283-333-4XXX | 4000–4999 | Assigned | HD CARRIER LLC | 321J | CINCINNATI | OH |
| 2023-11-17 | 283-333-5XXX | 5000–5999 | Assigned | HD CARRIER LLC | 321J | CINCINNATI | OH |
| 2023-11-14 | 283-209-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2023-11-14 | 283-999-1XXX | 1000–1999 | Assigned | VONAGE AMERICA LLC | 197D | LTL MIAMI | OH |
| 2023-11-09 | 283-209-6XXX | 6000–6999 | Assigned | NUSO, LLC | 478J | CINCINNATI | OH |
| 2023-11-09 | 283-209-7XXX | 7000–7999 | Assigned | NUSO, LLC | 478J | CINCINNATI | OH |
| 2023-11-03 | 283-212-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | HAMILTON | OH |
| 2023-10-27 | 283-212-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HAMILTON | OH |
| 2023-10-27 | 283-212-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HAMILTON | OH |
| 2023-10-27 | 283-888-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HAMILTON | OH |
| 2023-10-27 | 283-888-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HAMILTON | OH |
| 2023-10-27 | 283-888-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HAMILTON | OH |
| 2023-10-17 | 283-777-7XXX | 7000–7999 | Assigned | WIDE VOICE, LLC - OH | 765H | WAYNESVL | OH |
| 2023-10-17 | 283-777-8XXX | 8000–8999 | Assigned | HD CARRIER LLC | 321J | WAYNESVL | OH |
| 2023-10-16 | 283-209-0XXX | 0000–0999 | Assigned | ONVOY, LLC - OH | 464C | CINCINNATI | OH |
| 2023-10-16 | 283-209-1XXX | 1000–1999 | Assigned | ONVOY, LLC - OH | 464C | CINCINNATI | OH |
| 2023-10-13 | 283-214-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NEWTONSVL | OH |
| 2023-10-11 | 283-999-3XXX | 3000–3999 | Assigned | HD CARRIER LLC | 321J | LTL MIAMI | OH |
| 2023-10-11 | 283-999-9XXX | 9000–9999 | Assigned | WIDE VOICE, LLC - OH | 765H | LTL MIAMI | OH |
| 2023-10-04 | 283-212-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HAMILTON | OH |
| 2023-10-04 | 283-212-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HAMILTON | OH |
| 2023-09-29 | 283-200-1XXX | 1000–1999 | Assigned | ONVOY, LLC - OH | 464C | TRENTON | OH |
| 2023-09-28 | 283-212-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OH | 464C | HAMILTON | OH |
| 2023-09-28 | 283-213-0XXX | 0000–0999 | Assigned | ONVOY, LLC - OH | 464C | LTL MIAMI | OH |
| 2023-09-28 | 283-213-1XXX | 1000–1999 | Assigned | ONVOY, LLC - OH | 464C | LTL MIAMI | OH |
| 2023-09-18 | 283-888-3XXX | 3000–3999 | Assigned | HD CARRIER LLC | 321J | HAMILTON | OH |
| 2023-09-18 | 283-888-8XXX | 8000–8999 | Assigned | WIDE VOICE, LLC - OH | 765H | HAMILTON | OH |
| 2023-09-11 | 283-200-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | TRENTON | OH |
| 2023-08-31 | 283-207-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | SHANDON | OH |
| 2023-08-23 | 283-201-9XXX | 9000–9999 | Assigned | WADDELL SOLUTIONS GROUP LLC | 742J | CLERMONT | OH |
| 2023-08-11 | 283-210-1XXX | 1000–1999 | Assigned | NUSO, LLC | 732J | MASON | OH |
| 2023-07-27 | 283-209-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OH | 464C | CINCINNATI | OH |
| 2023-07-27 | 283-209-3XXX | 3000–3999 | Assigned | ONVOY, LLC - OH | 464C | CINCINNATI | OH |
| 2023-07-27 | 283-209-4XXX | 4000–4999 | Assigned | ONVOY, LLC - OH | 464C | CINCINNATI | OH |
| 2023-07-27 | 283-209-5XXX | 5000–5999 | Assigned | ONVOY, LLC - OH | 464C | CINCINNATI | OH |
| 2023-07-27 | 283-209-8XXX | 8000–8999 | Assigned | ONVOY, LLC - OH | 464C | CINCINNATI | OH |
| 2023-07-26 | 283-206-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF OHIO, LLC - OH | 284F | WILLIAMSBG | OH |
| 2023-07-20 | 283-203-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | CINCINNATI | OH |
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.