NumberResearchRecent thousands-block assignments
1 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 513
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 |
|---|---|---|---|---|---|---|---|
| 2015-03-18 | 513-666-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-666-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-666-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-666-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-666-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-817-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-817-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-817-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-832-8XXX | 8000–8999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CINCINNATI | OH |
| 2015-03-18 | 513-909-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-909-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-909-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-909-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-03-18 | 513-909-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | CINCINNATI | OH |
| 2015-02-24 | 513-783-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | MIDDLETOWN | OH |
| 2015-02-19 | 513-320-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MIDDLETOWN | OH |
| 2015-02-19 | 513-320-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MIDDLETOWN | OH |
| 2015-02-18 | 513-666-5XXX | 5000–5999 | Assigned | ONVOY, LLC - OH | 464C | CINCINNATI | OH |
| 2015-02-18 | 513-666-6XXX | 6000–6999 | Assigned | ONVOY, LLC - OH | 464C | CINCINNATI | OH |
| 2015-02-18 | 513-832-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | CINCINNATI | OH |
| 2015-02-18 | 513-954-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | CINCINNATI | OH |
| 2015-02-18 | 513-954-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | CINCINNATI | OH |
| 2015-02-17 | 513-909-0XXX | 0000–0999 | Assigned | CINCINNATI BELL | 9348 | CINCINNATI | OH |
| 2015-02-10 | 513-954-0XXX | 0000–0999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CINCINNATI | OH |
| 2015-02-10 | 513-954-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CINCINNATI | OH |
| 2015-02-10 | 513-954-5XXX | 5000–5999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CINCINNATI | OH |
| 2015-01-27 | 513-954-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | CINCINNATI | OH |
| 2015-01-23 | 513-296-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | REILY | OH |
| 2015-01-23 | 513-323-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | SHANDON | OH |
| 2015-01-23 | 513-428-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | TRENTON | OH |
| 2015-01-23 | 513-437-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | SEVEN MILE | OH |
| 2015-01-23 | 513-438-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | MONROE | OH |
| 2015-01-23 | 513-443-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | BETHANY | OH |
| 2015-01-23 | 513-457-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | BETHEL | OH |
| 2015-01-23 | 513-457-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | BETHEL | OH |
| 2015-01-23 | 513-486-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | MASON | OH |
| 2015-01-23 | 513-788-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | HARRISON | OH |
| 2015-01-23 | 513-788-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | HARRISON | OH |
| 2015-01-23 | 513-788-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | HARRISON | OH |
| 2015-01-23 | 513-798-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | MORNINGSUN | OH |
| 2015-01-23 | 513-855-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - OH | 001F | WAYNESVL | OH |
| 2015-01-15 | 513-849-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | MIDDLETOWN | OH |
| 2015-01-07 | 513-781-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | LTL MIAMI | OH |
| 2015-01-06 | 513-832-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | CINCINNATI | OH |
| 2014-12-31 | 513-857-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HAMILTON | OH |
| 2014-12-31 | 513-857-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HAMILTON | OH |
| 2014-12-30 | 513-843-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF OHIO, LLC - OH | 284F | CLERMONT | OH |
| 2014-12-17 | 513-913-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | CINCINNATI | OH |
| 2014-12-15 | 513-832-0XXX | 0000–0999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CINCINNATI | OH |
| 2014-12-15 | 513-832-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CINCINNATI | 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.