NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

10 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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
2010-06-10 779-770-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2010-06-04 779-456-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E JOLIET IL
2010-05-28 779-861-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DIXON IL
2010-05-20 779-279-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 JOLIET IL
2010-05-20 779-279-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 JOLIET IL
2010-05-17 779-552-9XXX 9000–9999Assigned MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 846F BELVIDERE IL
2010-04-05 779-221-2XXX 2000–2999Assigned ONVOY, LLC 224C ROCKFORD IL
2010-03-29 779-279-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E JOLIET IL
2010-03-17 779-777-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DE KALB IL
2010-03-04 779-214-0XXX 0000–0999Assigned MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 846F GALENA IL
2010-03-03 779-777-1XXX 1000–1999Assigned MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 846F DE KALB IL
2010-02-04 779-232-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E WILMINGTON IL
2009-12-07 779-423-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2009-12-03 779-475-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 SO BELOIT IL
2009-11-02 779-232-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J WILMINGTON IL
2009-08-20 779-279-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 JOLIET IL
2009-08-20 779-279-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 JOLIET IL
2009-08-05 779-348-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2009-07-17 779-368-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 7196 NEWMILFORD IL
2009-03-05 779-456-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 JOLIET IL
2008-11-25 779-771-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-25 779-772-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-25 779-772-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-25 779-772-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-25 779-772-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-25 779-772-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-25 779-772-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-19 779-770-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-19 779-770-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-19 779-770-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-19 779-770-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-19 779-770-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-19 779-770-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-19 779-770-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-11-14 779-232-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E WILMINGTON IL
2008-11-04 779-279-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JOLIET IL
2008-11-04 779-279-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JOLIET IL
2008-11-04 779-279-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JOLIET IL
2008-11-04 779-379-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JOLIET IL
2008-10-23 779-777-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DE KALB IL
2008-08-21 779-456-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 JOLIET IL
2008-08-07 779-348-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-08-07 779-348-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-07-15 779-245-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 STERLING IL
2008-07-15 779-245-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 STERLING IL
2008-05-27 779-423-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-05-27 779-423-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD IL
2008-03-03 779-232-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 WILMINGTON IL
2008-01-11 779-456-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 JOLIET IL
2008-01-09 779-423-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J ROCKFORD IL

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.