NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

16 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 806
OPENTACT INC. 4
NEW CINGULAR WIRELESS PCS, LLC - IL 4
XIT TELECOMMUNICATIONS & TECHNOLOGY, INC. - TX 2
PEERLESS NETWORK OF TEXAS, LLC - TX 2
CSC WIRELESS, LLC 2
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
2012-02-17 806-553-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 AMARILLO TX
2012-02-01 806-208-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 HEDLEY TX
2012-01-26 806-205-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 CLARENDON TX
2012-01-26 806-256-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 SHAMROCK TX
2012-01-26 806-329-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 SLATON TX
2012-01-24 806-731-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AMARILLO TX
2012-01-20 806-243-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 HURLWOOD TX
2012-01-12 806-579-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 LEVELLAND TX
2012-01-04 806-730-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 LUBBOCK TX
2011-12-28 806-329-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F SLATON TX
2011-12-23 806-486-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PAMPA TX
2011-12-19 806-412-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 LUBBOCK TX
2011-12-16 806-302-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F HALECENTER TX
2011-12-12 806-656-5XXX 5000–5999Assigned AT&T ENTERPRISES, LLC 516C CANYON TX
2011-12-12 806-878-5XXX 5000–5999Assigned AT&T ENTERPRISES, LLC 516C STINNETT TX
2011-11-30 806-621-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 BORGER TX
2011-11-29 806-471-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 AMARILLO TX
2011-11-14 806-270-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SPEARMAN TX
2011-11-14 806-848-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F SKELLYTOWN TX
2011-11-04 806-553-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 AMARILLO TX
2011-10-28 806-652-5XXX 5000–5999Assigned AT&T ENTERPRISES, LLC 516C LOCKNEY TX
2011-10-26 806-390-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 STRATFORD TX
2011-09-27 806-307-7XXX 7000–7999Assigned AT&T ENTERPRISES, LLC 516C SKELLYTOWN TX
2011-09-22 806-340-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F AMARILLO TX
2011-09-22 806-341-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F AMARILLO TX
2011-09-22 806-402-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F FLOYDADA TX
2011-09-20 806-203-3XXX 3000–3999Assigned ONVOY, LLC - TX 903C ALLISON TX
2011-09-20 806-329-3XXX 3000–3999Assigned ONVOY, LLC - TX 903C SLATON TX
2011-09-20 806-391-7XXX 7000–7999Assigned ONVOY, LLC - TX 903C HEREFORD TX
2011-09-20 806-419-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C PAMPA TX
2011-09-20 806-420-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AMARILLO TX
2011-09-20 806-420-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AMARILLO TX
2011-09-20 806-420-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AMARILLO TX
2011-09-20 806-429-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C PLAINVIEW TX
2011-09-20 806-452-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C CANYON TX
2011-09-20 806-464-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C BORGER TX
2011-09-20 806-478-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C LOCKNEY TX
2011-09-20 806-590-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C HALECENTER TX
2011-09-16 806-223-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F AMARILLO TX
2011-09-12 806-302-7XXX 7000–7999Assigned AT&T ENTERPRISES, LLC 516C HALECENTER TX
2011-08-31 806-370-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F LUBBOCK TX
2011-08-31 806-370-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F LUBBOCK TX
2011-08-31 806-370-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F LUBBOCK TX
2011-08-31 806-370-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F LUBBOCK TX
2011-08-23 806-223-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F AMARILLO TX
2011-08-23 806-334-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SHAMROCK TX
2011-08-23 806-407-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LUBBOCK TX
2011-08-23 806-407-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LUBBOCK TX
2011-08-03 806-223-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F AMARILLO TX
2011-07-27 806-340-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AMARILLO 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.