NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

3 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 847
ONVOY, LLC 2
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
2014-01-21 847-604-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E LAKEFOREST IL
2014-01-21 847-786-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E GLENCOE IL
2014-01-21 847-786-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E GLENCOE IL
2014-01-13 847-243-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J WHEELING IL
2014-01-13 847-257-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 DESPLAINES IL
2014-01-13 847-604-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J LAKEFOREST IL
2013-12-13 847-744-7XXX 7000–7999Assigned ACCESS ONE, INC. - IL 5447 ROSELLE IL
2013-12-11 847-268-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 PARK RIDGE IL
2013-10-29 847-429-3XXX 3000–3999Assigned ONVOY, LLC 224C ELGIN IL
2013-10-25 847-821-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J HALF DAY IL
2013-10-24 847-243-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WHEELING IL
2013-10-22 847-626-7XXX 7000–7999Assigned PAETEC ITEL, LLC 829J SKOKIE IL
2013-10-22 847-973-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 FOX LAKE IL
2013-10-17 847-807-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 ROSELLE IL
2013-10-15 847-780-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J HIGHLANDPK IL
2013-09-17 847-243-6XXX 6000–6999Assigned ONVOY, LLC 224C WHEELING IL
2013-09-17 847-558-6XXX 6000–6999Assigned ONVOY, LLC 224C ROSELLE IL
2013-09-09 847-604-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J LAKEFOREST IL
2013-09-09 847-780-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J HIGHLANDPK IL
2013-09-09 847-802-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J HUNTLEY IL
2013-09-06 847-250-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E ITASCA IL
2013-08-29 847-582-6XXX 6000–6999Assigned ACCESS ONE, INC. - IL 5447 LAKEFOREST IL
2013-08-27 847-794-0XXX 0000–0999Assigned FIRST COMMUNICATIONS, LLC 460K PALATINE IL
2013-07-30 847-565-0XXX 0000–0999Assigned IP HORIZON LLC 515J ROSELLE IL
2013-07-24 847-939-2XXX 2000–2999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IL 7136 PARK RIDGE IL
2013-07-23 847-916-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J FRANKLINPK IL
2013-06-27 847-246-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 ZION IL
2013-06-25 847-584-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J ROSELLE IL
2013-06-07 847-306-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E ROSELLE IL
2013-06-07 847-306-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E ROSELLE IL
2013-06-07 847-558-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E ROSELLE IL
2013-06-05 847-350-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E BENSENVL IL
2013-06-05 847-350-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E BENSENVL IL
2013-06-05 847-643-2XXX 2000–2999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MUNDELEIN IL
2013-06-05 847-737-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E FRANKLINPK IL
2013-06-05 847-801-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E FRANKLINPK IL
2013-06-05 847-968-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J LIBERTYVL IL
2013-06-05 847-993-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J PARK RIDGE IL
2013-06-04 847-786-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J GLENCOE IL
2013-05-31 847-447-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J FRANKLINPK IL
2013-05-30 847-306-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ROSELLE IL
2013-05-30 847-582-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J LAKEFOREST IL
2013-05-30 847-777-4XXX 4000–4999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J WHEELING IL
2013-05-30 847-780-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J HIGHLANDPK IL
2013-04-29 847-495-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E WHEELING IL
2013-04-26 847-914-6XXX 6000–6999Assigned ONVOY, LLC 224C DEERFIELD IL
2013-04-04 847-232-7XXX 7000–7999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E PARK RIDGE IL
2013-04-04 847-232-8XXX 8000–8999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E PARK RIDGE IL
2013-04-04 847-469-1XXX 1000–1999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E WAUCONDA IL
2013-04-04 847-469-9XXX 9000–9999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E WAUCONDA 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.