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 305
New assignments by month
Sep 2026
Aug 2026
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Apr 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2016-02-11 | 305-930-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2016-02-11 | 305-930-4XXX | 4000–4999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2016-02-11 | 305-930-5XXX | 5000–5999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2016-02-10 | 305-930-6XXX | 6000–6999 | Assigned | ONVOY, LLC - FL | 937C | KEYS | FL |
| 2016-02-10 | 305-930-7XXX | 7000–7999 | Assigned | ONVOY, LLC - FL | 937C | KEYS | FL |
| 2016-02-10 | 305-930-8XXX | 8000–8999 | Assigned | ONVOY, LLC - FL | 937C | KEYS | FL |
| 2016-01-22 | 305-690-0XXX | 0000–0999 | Assigned | ONVOY, LLC - FL | 937C | NORTH DADE | FL |
| 2016-01-14 | 305-930-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | KEYS | FL |
| 2016-01-11 | 305-783-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | KEYS | FL |
| 2015-12-30 | 305-783-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | KEYS | FL |
| 2015-12-16 | 305-363-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | KEYS | FL |
| 2015-12-11 | 305-783-2XXX | 2000–2999 | Assigned | ONVOY, LLC - FL | 937C | KEYS | FL |
| 2015-12-11 | 305-783-3XXX | 3000–3999 | Assigned | ONVOY, LLC - FL | 937C | KEYS | FL |
| 2015-11-30 | 305-783-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | KEYS | FL |
| 2015-11-30 | 305-783-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | KEYS | FL |
| 2015-11-30 | 305-783-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | KEYS | FL |
| 2015-11-19 | 305-783-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | KEYS | FL |
| 2015-11-19 | 305-783-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | KEYS | FL |
| 2015-11-19 | 305-783-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | KEYS | FL |
| 2015-11-11 | 305-497-0XXX | 0000–0999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-11 | 305-497-1XXX | 1000–1999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-11 | 305-497-2XXX | 2000–2999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-11 | 305-497-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-11 | 305-497-4XXX | 4000–4999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-11 | 305-497-5XXX | 5000–5999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-11 | 305-497-6XXX | 6000–6999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-11 | 305-497-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-11 | 305-497-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-11 | 305-497-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-06 | 305-680-2XXX | 2000–2999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-06 | 305-680-4XXX | 4000–4999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-06 | 305-680-6XXX | 6000–6999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-06 | 305-680-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-11-04 | 305-680-5XXX | 5000–5999 | Assigned | ONVOY, LLC - FL | 937C | KEYS | FL |
| 2015-10-22 | 305-680-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF FLORIDA, LLC - FL | 902E | KEYS | FL |
| 2015-09-28 | 305-680-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | KEYS | FL |
| 2015-09-03 | 305-680-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | KEYS | FL |
| 2015-09-03 | 305-680-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | KEYS | FL |
| 2015-08-13 | 305-833-0XXX | 0000–0999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-08-13 | 305-833-1XXX | 1000–1999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-08-13 | 305-833-2XXX | 2000–2999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-08-13 | 305-833-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-08-13 | 305-833-4XXX | 4000–4999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-08-13 | 305-833-5XXX | 5000–5999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-08-13 | 305-833-6XXX | 6000–6999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-08-13 | 305-833-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-08-13 | 305-833-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-08-13 | 305-833-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-08-07 | 305-515-0XXX | 0000–0999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
| 2015-08-07 | 305-676-1XXX | 1000–1999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | KEYS | FL |
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.