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
2011-10-06 848-221-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TOMS RIVER NJ
2011-10-06 848-221-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TOMS RIVER NJ
2011-10-06 848-221-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TOMS RIVER NJ
2011-10-05 218-409-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DULUTH MN
2011-10-05 318-608-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 FARMERVL LA
2011-10-04 201-423-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 JERSEYCITY NJ
2011-10-04 201-423-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 JERSEYCITY NJ
2011-10-04 201-423-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 JERSEYCITY NJ
2011-10-04 201-423-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 JERSEYCITY NJ
2011-10-04 228-731-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GULFPORT MS
2011-10-04 228-731-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GULFPORT MS
2011-10-04 231-497-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BOYNE CITY MI
2011-10-04 248-513-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHVILLE MI
2011-10-04 318-206-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
2011-10-04 601-342-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LAUREL MS
2011-10-04 609-216-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PRINCETON NJ
2011-10-04 609-216-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PRINCETON NJ
2011-10-04 931-305-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DOVER TN
2011-10-04 980-833-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLOTTE NC
2011-10-04 980-833-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLOTTE NC
2011-10-04 980-833-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLOTTE NC
2011-10-04 980-833-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLOTTE NC
2011-10-03 214-463-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAXAHACHIE TX
2011-10-03 218-481-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DULUTH MN
2011-10-03 218-481-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DULUTH MN
2011-10-03 218-481-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DULUTH MN
2011-10-03 218-481-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DULUTH MN
2011-10-03 219-213-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CROWNPOINT IN
2011-10-03 224-237-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAUKEGAN IL
2011-10-03 251-284-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 FOLEY AL
2011-10-03 254-432-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KILLEEN TX
2011-10-03 256-744-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALBERTVL AL
2011-10-03 260-599-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KENDALLVL IN
2011-10-03 325-260-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ABILENE TX
2011-10-03 385-205-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 OGDEN UT
2011-10-03 385-244-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 OGDEN UT
2011-10-03 432-741-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TERMINAL TX
2011-10-03 432-741-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TERMINAL TX
2011-10-03 432-741-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TERMINAL TX
2011-10-03 432-741-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TERMINAL TX
2011-10-03 512-988-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BASTROP TX
2011-10-03 636-639-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WENTZVILLE MO
2011-10-03 715-245-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HUDSON WI
2011-10-03 801-821-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MORGAN UT
2011-10-03 830-335-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EAGLE PASS TX
2011-10-03 843-373-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SCRANTON SC
2011-10-03 979-551-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BRENHAM TX
2011-10-03 989-858-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GAYLORD MI
2011-09-30 475-529-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DANBURY CT
2011-09-30 475-529-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DANBURY CT

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.