NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

11 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 281
ONVOY, LLC - TX 10
EXIANT COMMUNICATIONS LLC 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
2013-04-24 281-205-6XXX 6000–6999Assigned SOUTHWESTERN BELL 9533 TOMBALL TX
2013-04-24 281-336-1XXX 1000–1999Assigned ONVOY, LLC - TX 903C KEMAH TX
2013-04-24 281-532-8XXX 8000–8999Assigned ONVOY, LLC - TX 903C KEMAH TX
2013-04-03 281-417-0XXX 0000–0999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F LA PORTE TX
2013-04-03 281-666-8XXX 8000–8999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F CROSBY TX
2013-04-03 281-666-9XXX 9000–9999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F CROSBY TX
2013-04-03 281-709-6XXX 6000–6999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F APOLLO TX
2013-04-03 281-990-6XXX 6000–6999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F APOLLO TX
2013-04-02 281-545-0XXX 0000–0999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F SMITHERSLK TX
2013-04-02 281-581-0XXX 0000–0999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F LIVERPOOL TX
2013-04-02 281-581-9XXX 9000–9999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F LIVERPOOL TX
2013-04-02 281-843-8XXX 8000–8999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F HIGHLANDS TX
2013-04-02 281-843-9XXX 9000–9999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F HIGHLANDS TX
2013-04-02 281-916-5XXX 5000–5999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F KEMAH TX
2013-04-02 281-916-6XXX 6000–6999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F KEMAH TX
2013-04-02 281-937-8XXX 8000–8999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F SMITHERSLK TX
2013-04-02 281-949-6XXX 6000–6999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F SATSUMA TX
2013-04-02 281-949-7XXX 7000–7999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F SATSUMA TX
2013-04-01 281-864-1XXX 1000–1999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F CHANNELVW TX
2013-04-01 281-864-3XXX 3000–3999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F CHANNELVW TX
2013-04-01 281-918-7XXX 7000–7999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F BEACH CITY TX
2013-04-01 281-918-8XXX 8000–8999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F BEACH CITY TX
2013-03-28 281-607-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F MANVEL TX
2013-03-28 281-607-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F MANVEL TX
2013-03-28 281-942-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F SEABROOK TX
2013-03-28 281-990-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F APOLLO TX
2013-03-27 281-402-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C LA PORTE TX
2013-03-27 281-783-7XXX 7000–7999Assigned ONVOY, LLC - TX 903C SHELDON TX
2013-03-07 281-628-0XXX 0000–0999Assigned AERIAL COMMUNICATIONS, INC. 6701 BAYTOWN TX
2013-03-07 281-628-1XXX 1000–1999Assigned AERIAL COMMUNICATIONS, INC. 6701 BAYTOWN TX
2013-03-04 281-747-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F PORTER TX
2013-03-01 281-862-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F CHANNELVW TX
2013-03-01 281-947-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F FRIENDSWD TX
2013-03-01 281-947-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F FRIENDSWD TX
2013-02-28 281-815-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F LANGHAMCRK TX
2013-02-28 281-858-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F LANGHAMCRK TX
2013-02-15 281-516-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F TOMBALL TX
2013-02-15 281-803-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F TOMBALL TX
2013-02-15 281-826-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F TOMBALL TX
2013-02-14 281-315-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F BAMMEL TX
2013-02-14 281-408-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F BAMMEL TX
2013-02-14 281-624-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F BAMMEL TX
2013-02-14 281-624-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F BAMMEL TX
2013-02-14 281-631-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F BAMMEL TX
2013-02-14 281-872-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F BAMMEL TX
2013-02-14 281-885-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F BAMMEL TX
2013-02-14 281-895-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F BAMMEL TX
2013-01-15 281-786-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 APOLLO TX
2013-01-15 281-786-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 APOLLO TX
2013-01-15 281-786-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 APOLLO TX

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.