NumberResearchRecent thousands-block assignments
12 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 728
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 |
|---|---|---|---|---|---|---|---|
| 2025-04-25 | 728-221-3XXX | 3000–3999 | Assigned | IP HORIZON LLC | 515J | JUPITER | FL |
| 2025-04-25 | 728-237-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | WPALMBEACH | FL |
| 2025-04-25 | 728-237-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | WPALMBEACH | FL |
| 2025-04-25 | 728-288-5XXX | 5000–5999 | Assigned | IP HORIZON LLC | 515J | BOYNTONBCH | FL |
| 2025-04-25 | 728-333-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | JUPITER | FL |
| 2025-04-18 | 728-215-4XXX | 4000–4999 | Assigned | IP HORIZON LLC | 515J | BELLEGLADE | FL |
| 2025-04-18 | 728-215-5XXX | 5000–5999 | Assigned | IP HORIZON LLC | 515J | BELLEGLADE | FL |
| 2025-04-14 | 728-215-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | BELLEGLADE | FL |
| 2025-04-14 | 728-229-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | BOCA RATON | FL |
| 2025-04-09 | 728-228-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | BOCA RATON | FL |
| 2025-04-09 | 728-228-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | BOCA RATON | FL |
| 2025-04-09 | 728-228-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | BOCA RATON | FL |
| 2025-04-09 | 728-228-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | BOCA RATON | FL |
| 2025-04-09 | 728-228-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | BOCA RATON | FL |
| 2025-04-09 | 728-228-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | BOCA RATON | FL |
| 2025-04-09 | 728-228-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | BOCA RATON | FL |
| 2025-04-07 | 728-236-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | WPALMBEACH | FL |
| 2025-04-07 | 728-236-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | WPALMBEACH | FL |
| 2025-04-07 | 728-236-8XXX | 8000–8999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | WPALMBEACH | FL |
| 2025-03-26 | 728-234-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | DELRAY BCH | FL |
| 2025-03-14 | 728-209-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | WPALMBEACH | FL |
| 2025-03-14 | 728-209-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | WPALMBEACH | FL |
| 2025-03-14 | 728-209-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | WPALMBEACH | FL |
| 2025-03-14 | 728-209-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | WPALMBEACH | FL |
| 2025-03-14 | 728-209-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | WPALMBEACH | FL |
| 2025-03-14 | 728-209-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL | 6502 | WPALMBEACH | FL |
| 2025-03-14 | 728-221-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | JUPITER | FL |
| 2025-03-14 | 728-221-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | JUPITER | FL |
| 2025-03-10 | 728-228-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | BOCA RATON | FL |
| 2025-03-10 | 728-233-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | BOYNTONBCH | FL |
| 2025-01-29 | 728-204-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | DELRAY BCH | FL |
| 2025-01-29 | 728-232-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | DELRAY BCH | FL |
| 2025-01-08 | 728-209-0XXX | 0000–0999 | Assigned | ONVOY, LLC - FL | 937C | WPALMBEACH | FL |
| 2025-01-08 | 728-221-8XXX | 8000–8999 | Assigned | ONVOY, LLC - FL | 937C | JUPITER | FL |
| 2025-01-08 | 728-231-5XXX | 5000–5999 | Assigned | ONVOY, LLC - FL | 937C | WPALMBEACH | FL |
| 2025-01-08 | 728-231-6XXX | 6000–6999 | Assigned | ONVOY, LLC - FL | 937C | WPALMBEACH | FL |
| 2025-01-08 | 728-231-7XXX | 7000–7999 | Assigned | ONVOY, LLC - FL | 937C | WPALMBEACH | FL |
| 2025-01-08 | 728-231-8XXX | 8000–8999 | Assigned | ONVOY, LLC - FL | 937C | WPALMBEACH | FL |
| 2025-01-08 | 728-231-9XXX | 9000–9999 | Assigned | ONVOY, LLC - FL | 937C | WPALMBEACH | FL |
| 2025-01-08 | 728-300-6XXX | 6000–6999 | Assigned | ONVOY, LLC - FL | 937C | BOYNTONBCH | FL |
| 2025-01-08 | 728-300-7XXX | 7000–7999 | Assigned | ONVOY, LLC - FL | 937C | BOYNTONBCH | FL |
| 2025-01-07 | 728-204-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | DELRAY BCH | FL |
| 2025-01-07 | 728-300-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | BOYNTONBCH | FL |
| 2025-01-07 | 728-300-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - FL | 982E | BOYNTONBCH | FL |
| 2024-12-30 | 728-221-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | JUPITER | FL |
| 2024-12-30 | 728-231-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | WPALMBEACH | FL |
| 2024-12-30 | 728-231-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | WPALMBEACH | FL |
| 2024-12-30 | 728-231-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | WPALMBEACH | FL |
| 2024-12-30 | 728-231-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | WPALMBEACH | FL |
| 2024-12-12 | 728-231-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | WPALMBEACH | 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.