NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

22 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

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 224
NEW CINGULAR WIRELESS PCS, LLC - IL 11
ONVOY, LLC 6
VERSATEL LLC 1
INTRADO COMMUNICATIONS, LLC 1
EXIANT COMMUNICATIONS LLC 1
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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2023-04-25 224-495-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-04-25 224-495-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-04-25 224-495-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-04-25 224-495-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-04-25 224-495-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-04-25 224-495-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-04-19 224-416-9XXX 9000–9999Assigned BOOST SUBSCRIBERCO L.L.C. 490J WAUKEGAN IL
2023-04-19 224-455-9XXX 9000–9999Assigned BOOST SUBSCRIBERCO L.L.C. 490J WAUKEGAN IL
2023-04-19 224-476-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DESPLAINES IL
2023-04-19 224-476-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DESPLAINES IL
2023-04-19 224-476-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DESPLAINES IL
2023-04-19 224-476-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DESPLAINES IL
2023-04-19 224-476-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DESPLAINES IL
2023-04-17 224-461-8XXX 8000–8999Assigned ONVOY, LLC 224C DEERFIELD IL
2023-04-17 224-476-2XXX 2000–2999Assigned ONVOY, LLC 224C DESPLAINES IL
2023-04-17 224-476-8XXX 8000–8999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IL 7136 DESPLAINES IL
2023-04-17 224-494-4XXX 4000–4999Assigned ONVOY, LLC 224C DUNDEE IL
2023-04-14 224-417-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EVANSTON IL
2023-04-14 224-417-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EVANSTON IL
2023-04-14 224-490-4XXX 4000–4999Assigned ONVOY, LLC 224C ARLIGTNHTS IL
2023-04-12 224-448-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BARRINGTON IL
2023-03-23 224-399-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAUKEGAN IL
2023-03-23 224-493-9XXX 9000–9999Assigned TELNYX LLC 073H ELGIN IL
2023-03-23 224-536-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 SKOKIE IL
2023-03-16 224-492-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-03-16 224-492-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-03-16 224-492-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-03-16 224-492-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-03-16 224-492-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-03-16 224-492-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2023-03-08 224-494-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 DUNDEE IL
2023-03-01 224-493-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2023-03-01 224-493-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2023-03-01 224-493-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2023-03-01 224-493-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2023-03-01 224-493-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2023-03-01 224-493-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2023-03-01 224-493-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2023-03-01 224-493-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2023-03-01 224-493-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2023-02-27 224-459-2XXX 2000–2999Assigned ONVOY, LLC 224C LIBERTYVL IL
2023-02-27 224-459-3XXX 3000–3999Assigned ONVOY, LLC 224C LIBERTYVL IL
2023-02-06 224-490-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ARLIGTNHTS IL
2023-02-06 224-490-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ARLIGTNHTS IL
2023-01-12 224-491-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 GLENVIEW IL
2023-01-12 224-491-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 GLENVIEW IL
2023-01-12 224-491-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 GLENVIEW IL
2023-01-12 224-491-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 GLENVIEW IL
2023-01-12 224-521-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 GLENVIEW IL
2023-01-10 224-492-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL

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.