NumberResearch Membership · Data 09/30/2026

Recent thousands-block assignments

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

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 302
NEW CINGULAR WIRELESS PCS, LLC - IL 256
NEW CINGULAR WIRELESS PCS, LLC - GA 136
NEW CINGULAR WIRELESS PCS, LLC 133
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
2012-09-28 208-243-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IDAHOFALLS ID
2012-09-28 208-243-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IDAHOFALLS ID
2012-09-28 208-598-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MT HOME ID
2012-09-28 208-776-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 POCATELLO ID
2012-09-28 208-777-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 POST FALLS ID
2012-09-28 208-934-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 TWIN FALLS ID
2012-09-28 224-360-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MUNDELEIN IL
2012-09-28 316-882-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WICHITA KS
2012-09-28 325-276-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAN ANGELO TX
2012-09-28 361-222-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TAFT TX
2012-09-28 361-541-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 VICTORIA TX
2012-09-28 361-661-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALICE TX
2012-09-28 385-233-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PLEASATGRV UT
2012-09-28 385-233-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PLEASATGRV UT
2012-09-28 435-994-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LOGAN UT
2012-09-28 573-919-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KENNETT MO
2012-09-28 620-314-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HUTCHINSON KS
2012-09-28 682-208-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ARLINGTON TX
2012-09-28 830-480-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLEASANTON TX
2012-09-28 832-551-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 APOLLO TX
2012-09-28 907-570-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
2012-09-28 907-570-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
2012-09-28 907-570-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
2012-09-28 907-570-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
2012-09-28 913-333-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KANSASCITY KS
2012-09-28 915-249-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL PASO TX
2012-09-28 979-900-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ANGLETON TX
2012-09-27 425-249-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 EVERETT WA
2012-09-27 425-249-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 EVERETT WA
2012-09-27 559-749-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VISALIA CA
2012-09-27 559-975-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MADERA CA
2012-09-27 803-307-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATESBURG SC
2012-09-27 858-500-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LA JOLLA CA
2012-09-27 858-900-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LA JOLLA CA
2012-09-27 956-252-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EDINBURG TX
2012-09-27 956-252-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EDINBURG TX
2012-09-27 956-252-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EDINBURG TX
2012-09-27 956-407-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BROWNSVL TX
2012-09-26 224-209-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALGONQUIN IL
2012-09-26 331-201-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DOWNERSGRV IL
2012-09-26 618-570-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
2012-09-26 630-520-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 W CHICAGO IL
2012-09-24 571-623-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN17 VA
2012-09-24 571-623-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN17 VA
2012-09-24 571-623-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN17 VA
2012-09-24 571-623-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSNGTNZN17 VA
2012-09-21 262-357-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WEST BEND WI
2012-09-21 269-635-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NILES MI
2012-09-21 269-635-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NILES MI
2012-09-21 304-918-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CLARKSBURG WV

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/30/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.