NumberResearchRecent thousands-block assignments
6 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 283
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2023-07-20 | 283-203-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | CINCINNATI | OH |
| 2023-07-20 | 283-203-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | CINCINNATI | OH |
| 2023-07-20 | 283-204-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OH | 464C | MORNINGSUN | OH |
| 2023-07-20 | 283-205-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OH | 464C | SO LEBANON | OH |
| 2023-07-20 | 283-206-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OH | 464C | WILLIAMSBG | OH |
| 2023-07-20 | 283-207-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OH | 464C | SHANDON | OH |
| 2023-07-20 | 283-208-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OH | 464C | HARRISON | OH |
| 2023-07-19 | 283-444-0XXX | 0000–0999 | Assigned | ONVOY, LLC - OH | 464C | BETHEL | OH |
| 2023-07-06 | 283-283-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CINCINNATI | OH |
| 2023-07-06 | 283-283-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CINCINNATI | OH |
| 2023-07-06 | 283-283-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CINCINNATI | OH |
| 2023-07-06 | 283-283-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CINCINNATI | OH |
| 2023-07-06 | 283-283-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CINCINNATI | OH |
| 2023-07-06 | 283-283-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CINCINNATI | OH |
| 2023-07-06 | 283-283-6XXX | 6000–6999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CINCINNATI | OH |
| 2023-07-06 | 283-283-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CINCINNATI | OH |
| 2023-07-06 | 283-283-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CINCINNATI | OH |
| 2023-07-06 | 283-283-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CINCINNATI | OH |
| 2023-06-29 | 283-200-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | TRENTON | OH |
| 2023-06-21 | 283-203-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CINCINNATI | OH |
| 2023-06-21 | 283-203-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CINCINNATI | OH |
| 2023-06-21 | 283-444-4XXX | 4000–4999 | Assigned | WIDE VOICE, LLC - OH | 765H | BETHEL | OH |
| 2023-06-09 | 283-200-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OH | 464C | TRENTON | OH |
| 2023-06-09 | 283-201-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OH | 464C | CLERMONT | OH |
| 2023-06-09 | 283-201-3XXX | 3000–3999 | Assigned | ONVOY, LLC - OH | 464C | CLERMONT | OH |
| 2023-06-09 | 283-202-2XXX | 2000–2999 | Assigned | ONVOY, LLC - OH | 464C | MORROW | OH |
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.