NumberResearchRecent thousands-block assignments
2,526 blocks assigned in March 2026 · from the daily NANPA thousands-block report, 09/18/2026
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, March 2026
New assignments by month
Sep 2026
Aug 2026
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| Assigned | Block | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-03-06 | 405-389-5XXX | IP HORIZON LLC | 515J | WETUMKA | OK |
| 2026-03-06 | 405-459-2XXX | IP HORIZON LLC | 515J | POCASSET | OK |
| 2026-03-06 | 405-578-0XXX | IP HORIZON LLC | 515J | YUKON | OK |
| 2026-03-06 | 405-786-3XXX | IP HORIZON LLC | 515J | WELEETKA | OK |
| 2026-03-06 | 405-801-0XXX | IP HORIZON LLC | 515J | NORMAN | OK |
| 2026-03-06 | 405-804-0XXX | IP HORIZON LLC | 515J | SPENCER | OK |
| 2026-03-06 | 405-939-9XXX | IP HORIZON LLC | 515J | PERKINS | OK |
| 2026-03-06 | 445-263-3XXX | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | YARDLEY | PA |
| 2026-03-06 | 445-327-2XXX | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | QUAKERTOWN | PA |
| 2026-03-06 | 445-327-3XXX | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | QUAKERTOWN | PA |
| 2026-03-06 | 445-327-9XXX | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | QUAKERTOWN | PA |
| 2026-03-06 | 448-988-7XXX | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | PENSACOLA | FL |
| 2026-03-06 | 448-988-9XXX | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | PENSACOLA | FL |
| 2026-03-06 | 458-592-2XXX | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 5820 | CAVE JCT | OR |
| 2026-03-06 | 464-283-3XXX | BOOST SUBSCRIBERCO L.L.C. | 490J | BLUEISLAND | IL |
| 2026-03-06 | 470-947-9XXX | BOOST SUBSCRIBERCO L.L.C. | 490J | ATLANTA | GA |
| 2026-03-06 | 475-361-4XXX | BOOST SUBSCRIBERCO L.L.C. | 490J | CHESHIRE | CT |
| 2026-03-06 | 475-361-7XXX | BOOST SUBSCRIBERCO L.L.C. | 490J | CHESHIRE | CT |
| 2026-03-06 | 478-351-5XXX | TELEPORT COMMUNICATIONS AMERICA, LLC - GA | 8392 | MILLEN | GA |
| 2026-03-06 | 520-234-9XXX | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SIERRAVIST | AZ |
| 2026-03-06 | 531-427-7XXX | TELEPORT COMMUNICATIONS AMERICA, LLC - NE | 7144 | LINCOLN | NE |
| 2026-03-06 | 540-319-2XXX | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | LEXINGTON | VA |
| 2026-03-06 | 567-382-7XXX | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | VAN WERT | OH |
| 2026-03-06 | 572-230-4XXX | IP HORIZON LLC | 515J | WEWOKA | OK |
| 2026-03-06 | 572-274-0XXX | IP HORIZON LLC | 515J | STILLWATER | OK |
| 2026-03-06 | 572-333-2XXX | IP HORIZON LLC | 515J | PAULS VLY | OK |
| 2026-03-06 | 572-472-7XXX | IP HORIZON LLC | 515J | SEMINOLE | OK |
| 2026-03-06 | 572-732-0XXX | IP HORIZON LLC | 515J | WYNNEWOOD | OK |
| 2026-03-06 | 573-978-9XXX | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CENTERTOWN | MO |
| 2026-03-06 | 580-202-5XXX | IP HORIZON LLC | 515J | CORDELL | OK |
| 2026-03-06 | 580-205-8XXX | IP HORIZON LLC | 515J | BENNINGTON | OK |
| 2026-03-06 | 580-207-1XXX | IP HORIZON LLC | 515J | ATOKA | OK |
| 2026-03-06 | 580-218-1XXX | IP HORIZON LLC | 515J | BRECKENRDG | OK |
| 2026-03-06 | 580-247-4XXX | IP HORIZON LLC | 515J | DAVIS | OK |
| 2026-03-06 | 580-275-4XXX | IP HORIZON LLC | 515J | CLINTON | OK |
| 2026-03-06 | 580-301-8XXX | IP HORIZON LLC | 515J | ALTUS | OK |
| 2026-03-06 | 580-329-6XXX | IP HORIZON LLC | 515J | CARRIER | OK |
| 2026-03-06 | 580-337-2XXX | IP HORIZON LLC | 515J | BESSIE | OK |
| 2026-03-06 | 580-356-2XXX | IP HORIZON LLC | 515J | ENID | OK |
| 2026-03-06 | 580-358-5XXX | IP HORIZON LLC | 515J | FAIRMONT | OK |
| 2026-03-06 | 580-367-6XXX | IP HORIZON LLC | 515J | CADDO | OK |
| 2026-03-06 | 580-374-6XXX | IP HORIZON LLC | 515J | ELK CITY | OK |
| 2026-03-06 | 580-394-6XXX | IP HORIZON LLC | 515J | GLENCOE | OK |
| 2026-03-06 | 580-412-1XXX | IP HORIZON LLC | 515J | FAIRVIEW | OK |
| 2026-03-06 | 580-422-8XXX | IP HORIZON LLC | 515J | BILLINGS | OK |
| 2026-03-06 | 580-489-1XXX | IP HORIZON LLC | 515J | FORTTOWSON | OK |
| 2026-03-06 | 580-501-7XXX | IP HORIZON LLC | 515J | ADA | OK |
| 2026-03-06 | 580-506-1XXX | IP HORIZON LLC | 515J | CACHE | OK |
| 2026-03-06 | 580-563-3XXX | IP HORIZON LLC | 515J | BLAIR | OK |
| 2026-03-06 | 580-566-9XXX | IP HORIZON LLC | 515J | BOSWELL | OK |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.