NumberResearch Membership · Data 09/30/2026

Recent thousands-block assignments

855 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 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
2011-10-20 936-404-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LUFKIN TX
2011-10-20 940-222-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DENTON TX
2011-10-20 956-250-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EDINBURG TX
2011-10-20 956-250-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EDINBURG TX
2011-10-20 979-824-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FREEPORT TX
2011-10-19 208-709-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IDAHOFALLS ID
2011-10-19 208-771-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 COERDALENE ID
2011-10-19 360-325-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 WHATCOMCTY WA
2011-10-19 360-562-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LONGVIEW WA
2011-10-19 360-612-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ABERDEEN WA
2011-10-19 360-808-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PT ANGELES WA
2011-10-19 385-201-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PROVO UT
2011-10-19 385-201-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PROVO UT
2011-10-19 385-319-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 KAYSVILLE UT
2011-10-19 425-615-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BELLEVUE WA
2011-10-19 425-615-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BELLEVUE WA
2011-10-19 425-615-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BELLEVUE WA
2011-10-19 630-380-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROSELLE IL
2011-10-19 706-371-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 HARTWELL GA
2011-10-19 747-222-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 AGOURA CA
2011-10-19 747-222-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 AGOURA CA
2011-10-19 775-420-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
2011-10-19 775-420-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
2011-10-19 801-875-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SALT LAKE UT
2011-10-19 801-875-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SALT LAKE UT
2011-10-19 808-359-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 WAILUKU HI
2011-10-19 808-359-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 WAILUKU HI
2011-10-19 808-492-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HONOLULU HI
2011-10-19 808-492-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HONOLULU HI
2011-10-19 831-293-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 CARMEL CA
2011-10-19 858-956-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 POWAY CA
2011-10-19 949-424-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LAGUNA BCH CA
2011-10-19 949-527-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IRVINE CA
2011-10-19 949-527-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IRVINE CA
2011-10-19 971-261-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MCMINNVL OR
2011-10-19 971-273-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SALEM OR
2011-10-19 989-760-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALMA MI
2011-10-18 252-508-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 WILLIAMSTN NC
2011-10-18 336-240-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LEXINGTON NC
2011-10-18 337-476-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SULPHUR LA
2011-10-18 520-222-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 TUCSON AZ
2011-10-18 520-812-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 TUCSON AZ
2011-10-18 574-326-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELKHART IN
2011-10-18 681-313-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CHRLSTNZN1 WV
2011-10-18 717-254-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CARLISLE PA
2011-10-18 808-339-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HILO HI
2011-10-18 808-339-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HILO HI
2011-10-18 907-231-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
2011-10-18 907-231-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANCHORAGE AK
2011-10-17 206-747-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SEATTLE WA

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.