NumberResearch Membership · Data 09/29/2026

Recent thousands-block assignments

855 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/29/2026

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
NEW CINGULAR WIRELESS PCS, LLC - DC 325
NEW CINGULAR WIRELESS PCS, LLC - IL 261
NEW CINGULAR WIRELESS PCS, LLC - GA 136
NEW CINGULAR WIRELESS PCS, LLC 133
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
2011-03-23 254-239-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TEMPLE TX
2011-03-23 269-262-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NILES MI
2011-03-23 314-810-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2011-03-23 314-810-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2011-03-23 314-813-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2011-03-23 314-813-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2011-03-23 314-817-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2011-03-23 314-824-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2011-03-23 314-874-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2011-03-23 314-983-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2011-03-23 314-996-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2011-03-23 318-582-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MONROE LA
2011-03-23 319-383-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 IOWA CITY IA
2011-03-23 504-645-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 KENNER LA
2011-03-23 619-799-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 CHULAVISTA CA
2011-03-23 619-799-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 CHULAVISTA CA
2011-03-23 619-799-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 CHULAVISTA CA
2011-03-23 719-425-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 COLORDOSPG CO
2011-03-23 719-425-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 COLORDOSPG CO
2011-03-23 719-425-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 COLORDOSPG CO
2011-03-23 734-309-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WYANDOTTE MI
2011-03-23 775-323-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
2011-03-23 775-856-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
2011-03-23 915-841-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2011-03-23 915-841-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2011-03-23 915-841-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2011-03-23 985-400-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 COVINGTON LA
2011-03-23 989-858-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GAYLORD MI
2011-03-23 989-916-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALPENA MI
2011-03-22 210-701-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SANANTONIO TX
2011-03-22 210-701-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SANANTONIO TX
2011-03-22 210-701-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SANANTONIO TX
2011-03-22 210-701-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SANANTONIO TX
2011-03-22 210-701-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SANANTONIO TX
2011-03-22 210-701-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SANANTONIO TX
2011-03-22 214-449-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MCKINNEY TX
2011-03-22 214-449-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MCKINNEY TX
2011-03-22 240-300-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WALDORF MD
2011-03-22 240-300-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WALDORF MD
2011-03-22 240-300-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WALDORF MD
2011-03-22 253-620-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 TACOMA WA
2011-03-22 304-203-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CLARKSBURG WV
2011-03-22 304-308-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BLUEFIELD WV
2011-03-22 304-376-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MORGANTOWN WV
2011-03-22 304-376-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MORGANTOWN WV
2011-03-22 304-578-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BECKLEY WV
2011-03-22 304-690-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HNTNGTNZN1 WV
2011-03-22 304-690-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HNTNGTNZN1 WV
2011-03-22 325-716-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAN ANGELO TX
2011-03-22 469-500-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MCKINNEY TX

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/29/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.