NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

12 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 531
ONVOY, LLC - NE 3
MIDSTATES DATA TRANSPORT, LLC - NE 2
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 2
INTRADO COMMUNICATIONS, LLC 1
BOOST SUBSCRIBERCO L.L.C. 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
2022-01-28 531-251-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - NE 995E DAWSON NE
2022-01-27 531-264-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - NE 995E FIRTH NE
2022-01-27 531-271-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - NE 995E O NEILL NE
2022-01-18 531-271-7XXX 7000–7999Assigned THREE RIVER COMMUNICATIONS, LLC - NE 681A O NEILL NE
2022-01-10 531-893-8XXX 8000–8999Assigned TWILIO INTERNATIONAL, INC. 506J LINCOLN NE
2022-01-06 531-230-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 COLUMBUS NE
2021-12-30 531-262-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H OMAHA NE
2021-12-30 531-262-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H OMAHA NE
2021-12-30 531-262-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H OMAHA NE
2021-12-29 531-495-9XXX 9000–9999Assigned BOOST SUBSCRIBERCO L.L.C. 490J OMAHA NE
2021-12-23 531-249-5XXX 5000–5999Assigned ALLO COMMUNICATIONS LLC 907K LINCOLN NE
2021-12-23 531-281-8XXX 8000–8999Assigned AERIAL COMMUNICATIONS, INC. 6701 TEKAMAH NE
2021-12-23 531-281-9XXX 9000–9999Assigned AERIAL COMMUNICATIONS, INC. 6701 TEKAMAH NE
2021-12-22 531-271-2XXX 2000–2999Assigned UNITED STATES CELLULAR - NE 6263 O NEILL NE
2021-12-22 531-271-3XXX 3000–3999Assigned UNITED STATES CELLULAR - NE 6263 O NEILL NE
2021-12-22 531-271-4XXX 4000–4999Assigned UNITED STATES CELLULAR - NE 6263 O NEILL NE
2021-12-22 531-271-5XXX 5000–5999Assigned UNITED STATES CELLULAR - NE 6263 O NEILL NE
2021-12-22 531-271-6XXX 6000–6999Assigned UNITED STATES CELLULAR - NE 6263 O NEILL NE
2021-12-22 531-275-1XXX 1000–1999Assigned UNITED STATES CELLULAR - NE 6263 HOWELLS NE
2021-12-22 531-275-3XXX 3000–3999Assigned UNITED STATES CELLULAR - NE 6263 HOWELLS NE
2021-12-22 531-275-4XXX 4000–4999Assigned UNITED STATES CELLULAR - NE 6263 HOWELLS NE
2021-12-22 531-275-5XXX 5000–5999Assigned UNITED STATES CELLULAR - NE 6263 HOWELLS NE
2021-12-22 531-275-6XXX 6000–6999Assigned UNITED STATES CELLULAR - NE 6263 HOWELLS NE
2021-12-16 531-240-4XXX 4000–4999Assigned ALLO COMMUNICATIONS LLC 907K ASHLAND NE
2021-12-13 531-268-4XXX 4000–4999Assigned ONVOY, LLC - NE 549E ATKINSON NE
2021-12-10 531-278-0XXX 0000–0999Assigned TELNYX LLC 073H LINCOLN NE
2021-12-03 531-250-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 OMAHA NE
2021-12-03 531-250-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 OMAHA NE
2021-12-03 531-250-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 OMAHA NE
2021-12-03 531-262-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 OMAHA NE
2021-12-03 531-267-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 OMAHA NE
2021-12-03 531-267-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 OMAHA NE
2021-12-03 531-267-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 OMAHA NE
2021-12-03 531-267-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 OMAHA NE
2021-12-03 531-776-4XXX 4000–4999Assigned AIRUS, INC. - NE 478H AINSWORTH NE
2021-12-03 531-910-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 OMAHA NE
2021-12-03 531-910-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 OMAHA NE
2021-11-24 531-282-2XXX 2000–2999Assigned ONVOY, LLC - NE 549E BEATRICE NE
2021-11-24 531-282-3XXX 3000–3999Assigned ONVOY, LLC - NE 549E BEATRICE NE
2021-11-24 531-282-4XXX 4000–4999Assigned ONVOY, LLC - NE 549E BEATRICE NE
2021-11-23 531-269-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - NE 995E NORFOLK NE
2021-11-22 531-282-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BEATRICE NE
2021-11-08 531-238-0XXX 0000–0999Assigned TELNYX LLC 073H RANDOLPH NE
2021-11-05 531-271-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - NE 995E O NEILL NE
2021-11-01 531-254-0XXX 0000–0999Assigned AERIAL COMMUNICATIONS, INC. 6701 LINCOLN NE
2021-11-01 531-254-7XXX 7000–7999Assigned AERIAL COMMUNICATIONS, INC. 6701 LINCOLN NE
2021-11-01 531-254-8XXX 8000–8999Assigned AERIAL COMMUNICATIONS, INC. 6701 LINCOLN NE
2021-11-01 531-254-9XXX 9000–9999Assigned AERIAL COMMUNICATIONS, INC. 6701 LINCOLN NE
2021-11-01 531-510-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 LINCOLN NE
2021-11-01 531-510-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 LINCOLN NE

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.