NumberResearch Membership · Data 10/04/2026

Recent thousands-block assignments

646 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 10/04/2026

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 204
NEW CINGULAR WIRELESS PCS, LLC 168
NEW CINGULAR WIRELESS PCS, LLC - IL 166
NEW CINGULAR WIRELESS PCS, LLC - GA 108
New assignments by month Oct 2026 Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2016-10-26 248-940-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BIRMINGHAM MI
2016-10-26 248-940-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BIRMINGHAM MI
2016-10-26 417-258-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MARIONVL MO
2016-10-26 417-258-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MARIONVL MO
2016-10-26 442-269-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 JOSHUATREE CA
2016-10-26 530-250-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SUSANVILLE CA
2016-10-26 559-574-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PARLIER CA
2016-10-26 559-837-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 TULARE CA
2016-10-26 608-580-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MILTON WI
2016-10-26 626-435-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LA PUENTE CA
2016-10-26 650-448-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MT VIEW CA
2016-10-26 650-779-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 REDWOOD CY CA
2016-10-26 650-850-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 WOODSIDE CA
2016-10-26 657-341-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BREA CA
2016-10-26 669-273-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 CAMPBELL CA
2016-10-26 707-305-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VACAVILLE CA
2016-10-26 805-409-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 THOUSAOAKS CA
2016-10-26 805-881-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 CARPINTRIA CA
2016-10-26 816-317-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LEESSUMMIT MO
2016-10-26 816-317-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LEESSUMMIT MO
2016-10-26 907-203-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BIG LAKE AK
2016-10-26 907-671-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 WASILLA AK
2016-10-26 920-519-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BLACKCREEK WI
2016-10-25 484-510-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BETHLEHEM PA
2016-10-25 484-510-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BETHLEHEM PA
2016-10-25 601-967-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BROOKHAVEN MS
2016-10-25 717-892-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LANDISVL PA
2016-10-25 769-238-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 EAGLE LAKE MS
2016-10-24 903-522-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KILGORE TX
2016-10-24 903-522-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KILGORE TX
2016-10-24 940-329-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PALO PINTO TX
2016-10-24 979-412-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BRYAN TX
2016-10-24 979-412-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BRYAN TX
2016-10-21 248-466-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PONTIAC MI
2016-10-21 248-466-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PONTIAC MI
2016-10-21 248-466-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PONTIAC MI
2016-10-21 248-466-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PONTIAC MI
2016-10-21 248-466-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PONTIAC MI
2016-10-21 248-466-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PONTIAC MI
2016-10-21 248-901-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BIRMINGHAM MI
2016-10-21 248-901-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BIRMINGHAM MI
2016-10-21 248-901-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BIRMINGHAM MI
2016-10-21 248-901-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BIRMINGHAM MI
2016-10-21 616-229-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HUDSONVL MI
2016-10-21 701-792-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDFORKS ND
2016-10-21 701-864-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDFORKS ND
2016-10-21 701-864-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDFORKS ND
2016-10-21 701-864-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDFORKS ND
2016-10-21 701-864-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDFORKS ND
2016-10-21 701-864-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDFORKS ND

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 10/04/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.