NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

13 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 730
NEW CINGULAR WIRELESS PCS, LLC - IL 11
VERSATEL LLC 1
OPENTACT INC. 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
2025-11-25 730-289-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-11-25 730-289-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-11-25 730-289-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-11-25 730-289-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-11-25 730-289-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-11-25 730-289-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-11-25 730-289-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-11-25 730-290-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-11-25 730-290-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-11-25 730-740-6XXX 6000–6999Assigned HD CARRIER LLC 321J CARBONDALE IL
2025-11-25 730-740-7XXX 7000–7999Assigned HD CARRIER LLC 321J CARBONDALE IL
2025-11-25 730-740-8XXX 8000–8999Assigned HD CARRIER LLC 321J CARBONDALE IL
2025-11-25 730-740-9XXX 9000–9999Assigned HD CARRIER LLC 321J CARBONDALE IL
2025-11-05 730-267-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 BELLEVILLE IL
2025-11-05 730-267-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 BELLEVILLE IL
2025-11-04 730-278-1XXX 1000–1999Assigned ONVOY, LLC 224C CENTRALIA IL
2025-10-30 730-283-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-283-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-283-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-283-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-285-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-285-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-285-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-285-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-285-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-285-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-285-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-285-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-285-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-30 730-285-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-23 730-284-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-10-23 730-284-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-10-23 730-284-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-10-23 730-284-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-10-23 730-284-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-10-23 730-284-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-10-23 730-284-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-10-23 730-284-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-10-23 730-284-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-10-23 730-284-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
2025-10-20 730-267-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 BELLEVILLE IL
2025-10-14 730-271-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 HERRIN IL
2025-10-07 730-274-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
2025-10-07 730-274-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
2025-10-07 730-283-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-07 730-283-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-07 730-283-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-07 730-283-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-07 730-283-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2025-10-07 730-283-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA 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.