NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

8 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 708
ONVOY, LLC 6
METROPCS, INC. 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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
2011-05-19 708-495-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-19 708-495-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-19 708-495-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-19 708-495-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-19 708-495-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-19 708-658-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E OAK LAWN IL
2011-05-19 708-658-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E OAK LAWN IL
2011-05-19 708-665-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E OAK PARK IL
2011-05-19 708-667-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN03 IL
2011-05-19 708-740-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E THORNTON IL
2011-05-19 708-887-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN03 IL
2011-05-19 708-887-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN03 IL
2011-05-19 708-887-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN03 IL
2011-05-19 708-942-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E ORLAND IL
2011-05-19 708-942-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E ORLAND IL
2011-05-06 708-368-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-368-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-368-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-368-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-368-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-368-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-368-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-368-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-368-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-368-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-378-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-378-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-378-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-378-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-378-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-378-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-378-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-378-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-378-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-378-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-390-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E MOKENA IL
2011-05-06 708-800-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-800-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-800-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-800-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-800-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-800-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-06 708-800-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 LA GRANGE IL
2011-05-02 708-897-9XXX 9000–9999Assigned AT&T ENTERPRISES, LLC 516C BLUEISLAND IL
2011-04-29 708-680-3XXX 3000–3999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E BROOKFIELD IL
2011-04-26 708-400-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICAGOHTS IL
2011-04-26 708-400-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICAGOHTS IL
2011-04-26 708-400-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICAGOHTS IL
2011-04-07 708-224-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BLUEISLAND IL
2011-04-07 708-465-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OAK FOR SO 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.