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
2010-07-13 915-255-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2010-07-13 919-397-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 RALEIGH NC
2010-07-13 919-397-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 RALEIGH NC
2010-07-13 919-397-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 RALEIGH NC
2010-07-13 919-397-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 RALEIGH NC
2010-07-13 919-397-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 RALEIGH NC
2010-07-13 919-534-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 RALEIGH NC
2010-07-12 314-562-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2010-07-12 314-562-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2010-07-12 314-562-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LADUE MO
2010-07-12 405-657-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EDMOND OK
2010-07-12 405-657-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EDMOND OK
2010-07-12 413-561-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HOLYOKE MA
2010-07-12 512-574-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AUSTIN TX
2010-07-12 512-574-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AUSTIN TX
2010-07-12 512-574-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AUSTIN TX
2010-07-12 512-574-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AUSTIN TX
2010-07-12 512-574-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AUSTIN TX
2010-07-12 571-249-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN17 VA
2010-07-12 571-335-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN17 VA
2010-07-12 571-335-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN17 VA
2010-07-12 571-335-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN17 VA
2010-07-12 571-393-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MANASSAS VA
2010-07-12 571-393-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MANASSAS VA
2010-07-12 573-612-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROLLA MO
2010-07-12 573-880-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 STEGNVIEVE MO
2010-07-12 580-228-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAURIKA OK
2010-07-12 609-414-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TRENTON NJ
2010-07-12 609-778-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CAPMAYCTHS NJ
2010-07-12 609-789-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TRENTON NJ
2010-07-12 609-789-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TRENTON NJ
2010-07-12 636-432-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WASHINGTON MO
2010-07-12 715-685-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ASHLAND WI
2010-07-12 781-336-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 KINGSTON MA
2010-07-12 781-996-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WALTHAM MA
2010-07-12 860-356-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NEWBRITAIN CT
2010-07-12 908-723-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SUMMIT NJ
2010-07-12 940-535-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DENTON TX
2010-07-12 940-536-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DENTON TX
2010-07-12 978-319-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LOWELL MA
2010-07-09 302-727-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 REHOBOTH DE
2010-07-09 302-727-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 REHOBOTH DE
2010-07-09 302-766-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HOCKESSIN DE
2010-07-09 337-422-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ABBEVILLE LA
2010-07-09 360-860-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 KINGSTON WA
2010-07-09 425-440-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BELLEVUE WA
2010-07-09 608-609-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MADISON WI
2010-07-09 608-609-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MADISON WI
2010-07-09 618-412-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARBONDALE IL
2010-07-09 657-203-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HUNTITNBCH CA

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.