NumberResearch Membership · Data 09/21/2026

Recent thousands-block assignments

21 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

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 5
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
2016-08-26 224-551-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DEERFIELD IL
2016-08-22 224-754-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 HIGHLANDPK IL
2016-08-22 224-775-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DESPLAINES IL
2016-08-22 224-775-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DESPLAINES IL
2016-08-15 224-813-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DEERFIELD IL
2016-08-12 224-204-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EVANSTON IL
2016-08-12 224-762-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2016-08-12 224-762-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2016-08-12 224-762-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2016-08-09 224-763-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 NORTHBROOK IL
2016-08-09 224-763-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 NORTHBROOK IL
2016-08-09 224-763-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 NORTHBROOK IL
2016-08-09 224-763-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 NORTHBROOK IL
2016-08-09 224-763-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 NORTHBROOK IL
2016-08-09 224-763-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 NORTHBROOK IL
2016-08-04 224-931-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MUNDELEIN IL
2016-08-02 224-814-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J ROUND LAKE IL
2016-07-28 224-480-8XXX 8000–8999Assigned AT&T ENTERPRISES, LLC 516C WAUKEGAN IL
2016-07-22 224-763-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2016-07-22 224-763-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2016-07-22 224-769-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2016-07-22 224-769-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ELGIN IL
2016-07-21 224-219-9XXX 9000–9999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E WAUKEGAN IL
2016-07-21 224-281-7XXX 7000–7999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E ELGIN IL
2016-07-19 224-762-9XXX 9000–9999Assigned METROPCS, INC. 5562 ELGIN IL
2016-07-18 224-908-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FOX LAKE IL
2016-07-13 224-517-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BARRINGTON IL
2016-07-13 224-517-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BARRINGTON IL
2016-07-13 224-775-7XXX 7000–7999Assigned METROPCS, INC. 5562 DESPLAINES IL
2016-07-11 224-204-1XXX 1000–1999Assigned IP HORIZON LLC 515J EVANSTON IL
2016-07-11 224-219-8XXX 8000–8999Assigned IP HORIZON LLC 515J WAUKEGAN IL
2016-07-11 224-258-1XXX 1000–1999Assigned IP HORIZON LLC 515J ARLIGTNHTS IL
2016-07-11 224-313-9XXX 9000–9999Assigned IP HORIZON LLC 515J WHEELING IL
2016-07-11 224-339-5XXX 5000–5999Assigned IP HORIZON LLC 515J ELGIN IL
2016-07-11 224-539-0XXX 0000–0999Assigned IP HORIZON LLC 515J PALATINE IL
2016-07-11 224-540-8XXX 8000–8999Assigned IP HORIZON LLC 515J ROUND LAKE IL
2016-07-11 224-724-0XXX 0000–0999Assigned IP HORIZON LLC 515J SKOKIE IL
2016-07-11 224-775-9XXX 9000–9999Assigned IP HORIZON LLC 515J DESPLAINES IL
2016-07-11 224-877-9XXX 9000–9999Assigned IP HORIZON LLC 515J ELK GROVE IL
2016-07-11 224-970-9XXX 9000–9999Assigned IP HORIZON LLC 515J BARTLETT IL
2016-07-08 224-507-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 DEERFIELD IL
2016-07-07 224-313-7XXX 7000–7999Assigned CLEAR RATE COMMUNICATIONS, LLC 046L WHEELING IL
2016-07-05 224-904-2XXX 2000–2999Assigned ONVOY, LLC 224C NORTHBROOK IL
2016-07-05 224-904-4XXX 4000–4999Assigned ONVOY, LLC 224C NORTHBROOK IL
2016-07-05 224-904-5XXX 5000–5999Assigned ONVOY, LLC 224C NORTHBROOK IL
2016-07-05 224-904-6XXX 6000–6999Assigned ONVOY, LLC 224C NORTHBROOK IL
2016-07-05 224-904-7XXX 7000–7999Assigned ONVOY, LLC 224C NORTHBROOK IL
2016-06-24 224-504-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J LIBERTYVL IL
2016-06-24 224-904-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J NORTHBROOK IL
2016-06-21 224-747-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E HAMPSHIRE IL

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.