NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

10 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 779
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6
8X8, INC. 2
INTRADO COMMUNICATIONS, LLC 1
BANDWIDTH.COM CLEC, LLC - IL 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
2012-09-05 779-529-1XXX 1000–1999Assigned ONVOY, LLC 224C MANTENO IL
2012-09-05 779-548-3XXX 3000–3999Assigned ONVOY, LLC 224C MARENGO IL
2012-08-31 779-220-8XXX 8000–8999Assigned ONVOY, LLC 224C CRYSTAL LK IL
2012-08-31 779-232-6XXX 6000–6999Assigned ONVOY, LLC 224C WILMINGTON IL
2012-08-31 779-235-3XXX 3000–3999Assigned ONVOY, LLC 224C CRESCENTCY IL
2012-08-31 779-324-8XXX 8000–8999Assigned ONVOY, LLC 224C FRANKFORT IL
2012-08-23 779-220-6XXX 6000–6999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E CRYSTAL LK IL
2012-08-23 779-220-7XXX 7000–7999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E CRYSTAL LK IL
2012-08-23 779-400-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DE KALB IL
2012-08-20 779-220-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J CRYSTAL LK IL
2012-08-09 779-232-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 WILMINGTON IL
2012-06-21 779-205-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JOLIET IL
2012-06-21 779-206-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 JOLIET IL
2012-06-21 779-774-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2012-06-18 779-233-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 JOLIET IL
2012-06-11 779-205-0XXX 0000–0999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E JOLIET IL
2012-06-01 779-205-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JOLIET IL
2012-05-16 779-774-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 ROCKFORD IL
2012-05-10 779-774-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2012-05-07 779-201-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E LA SALLE IL
2012-05-01 779-552-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 BELVIDERE IL
2012-04-27 779-475-2XXX 2000–2999Assigned CHARTER IP ENABLED SERVICES, LLC 792K SO BELOIT IL
2012-04-05 779-774-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2012-04-03 779-220-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 CRYSTAL LK IL
2012-03-28 779-548-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MARENGO IL
2012-03-26 779-456-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E JOLIET IL
2012-03-22 779-500-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J ROCKFORD IL
2012-03-21 779-201-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 LA SALLE IL
2012-03-09 779-202-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IL 7136 GALENA IL
2012-03-01 779-214-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 GALENA IL
2012-02-15 779-548-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 MARENGO IL
2012-02-14 779-236-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E KANKAKEE IL
2012-02-08 779-210-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2012-02-06 779-225-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JOLIET IL
2012-02-06 779-324-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IL 7136 FRANKFORT IL
2012-02-02 779-774-1XXX 1000–1999Assigned ONVOY, LLC 224C ROCKFORD IL
2012-01-13 779-200-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 ROCKFORD IL
2011-12-21 779-225-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JOLIET IL
2011-12-14 779-772-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2011-12-13 779-324-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J FRANKFORT IL
2011-12-07 779-400-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DE KALB IL
2011-11-11 779-772-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2011-11-03 779-225-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 JOLIET IL
2011-11-03 779-225-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 JOLIET IL
2011-11-03 779-225-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 JOLIET IL
2011-11-03 779-225-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 JOLIET IL
2011-11-03 779-225-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 JOLIET IL
2011-11-02 779-225-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JOLIET IL
2011-10-28 779-379-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 JOLIET IL
2011-10-28 779-475-5XXX 5000–5999Assigned AT&T ENTERPRISES, LLC 516C SO BELOIT 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.