NumberResearch Membership · Data 10/01/2026

Recent thousands-block assignments

838 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 10/01/2026

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 306
NEW CINGULAR WIRELESS PCS, LLC - IL 261
NEW CINGULAR WIRELESS PCS, LLC - GA 138
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
2014-03-07 337-423-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LEESVILLE LA
2014-03-07 413-404-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 AMHERST MA
2014-03-07 413-404-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 AMHERST MA
2014-03-07 440-561-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHAGRINFLS OH
2014-03-07 530-531-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BIGGS CA
2014-03-07 559-480-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 REEDLEY CA
2014-03-07 559-798-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VISALIA CA
2014-03-07 559-798-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VISALIA CA
2014-03-07 559-798-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VISALIA CA
2014-03-07 661-447-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BKFD MAIN CA
2014-03-07 661-447-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BKFD MAIN CA
2014-03-07 661-903-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ARVIN CA
2014-03-07 669-500-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 GILROY CA
2014-03-07 806-620-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LUBBOCK TX
2014-03-07 903-820-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SHERMAN TX
2014-03-07 928-723-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 YUMA AZ
2014-03-07 956-701-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAREDO TX
2014-03-07 956-701-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAREDO TX
2014-03-07 979-332-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EL CAMPO TX
2014-03-06 256-224-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ARAB AL
2014-03-06 337-458-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CROWLEY LA
2014-03-06 337-458-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CROWLEY LA
2014-03-06 352-606-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 WEEKICHSPG FL
2014-03-06 352-606-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 WEEKICHSPG FL
2014-03-06 352-801-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LEESBURG FL
2014-03-06 352-801-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LEESBURG FL
2014-03-06 681-231-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MOOREFIELD WV
2014-03-06 681-668-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHEAT LAKE WV
2014-03-06 765-479-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAFAYETTE IN
2014-03-06 785-515-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SALINA KS
2014-03-06 808-464-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HILO HI
2014-03-06 845-544-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WARWICK NY
2014-03-06 856-839-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 VINELAND NJ
2014-03-06 941-830-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CAPE HAZE FL
2014-03-05 304-918-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CLARKSBURG WV
2014-03-05 310-925-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEVERLYHLS CA
2014-03-05 318-625-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
2014-03-05 318-625-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
2014-03-05 424-289-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SNMN MRVS CA
2014-03-05 424-321-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 EL SEGUNDO CA
2014-03-05 424-337-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 TORRANCE CA
2014-03-05 609-907-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN NJ
2014-03-05 609-907-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN NJ
2014-03-05 609-907-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN NJ
2014-03-05 636-856-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WENTZVILLE MO
2014-03-05 636-856-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WENTZVILLE MO
2014-03-05 989-467-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CLIFFORD MI
2014-03-04 209-355-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MERCED CA
2014-03-04 209-355-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MERCED CA
2014-03-04 803-623-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHESTER SC

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 10/01/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.