NumberResearch Membership · Data 09/18/2026

Recent prefix assignments

76 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.

Most active assignees, last 30 days
NEW CINGULAR WIRELESS PCS, LLC - IL 33
NEW CINGULAR WIRELESS PCS, LLC - DC 27
NEW CINGULAR WIRELESS PCS, LLC - GA 8
NEW CINGULAR WIRELESS PCS, LLC 8
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 NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
925-381 NEW CINGULAR WIRELESS PCS, LLC 6010 CONCORD CA
925-408 NEW CINGULAR WIRELESS PCS, LLC 6010 CONCORD CA
925-413 NEW CINGULAR WIRELESS PCS, LLC 6010 DUBLN-SNRM CA
925-437 NEW CINGULAR WIRELESS PCS, LLC 6010 ANTIOCH CA
925-451 NEW CINGULAR WIRELESS PCS, LLC 6010 WALNUT CRK CA
925-487 NEW CINGULAR WIRELESS PCS, LLC 6010 DUBLN-SNRM CA
925-548 NEW CINGULAR WIRELESS PCS, LLC 6010 DUBLN-SNRM CA
925-549 NEW CINGULAR WIRELESS PCS, LLC 6010 DUBLN-SNRM CA
925-550 NEW CINGULAR WIRELESS PCS, LLC 6010 ANTIOCH CA
925-640 NEW CINGULAR WIRELESS PCS, LLC 6010 DUBLN-SNRM CA
925-642 NEW CINGULAR WIRELESS PCS, LLC 6010 ANTIOCH CA
925-683 NEW CINGULAR WIRELESS PCS, LLC 6010 DANVILLE CA
925-698 NEW CINGULAR WIRELESS PCS, LLC 6010 PITTSBURG CA
925-699 NEW CINGULAR WIRELESS PCS, LLC 6010 PLEASANTON CA
925-759 NEW CINGULAR WIRELESS PCS, LLC 6010 ANTIOCH CA
925-818 NEW CINGULAR WIRELESS PCS, LLC 6010 WALNUT CRK CA
925-819 NEW CINGULAR WIRELESS PCS, LLC 6010 DUBLN-SNRM CA
925-858 NEW CINGULAR WIRELESS PCS, LLC 6010 DUBLN-SNRM CA
925-876 NEW CINGULAR WIRELESS PCS, LLC 6010 WALNUT CRK CA
925-890 NEW CINGULAR WIRELESS PCS, LLC 6010 CONCORD CA
925-899 NEW CINGULAR WIRELESS PCS, LLC 6010 WALNUT CRK CA
925-963 NEW CINGULAR WIRELESS PCS, LLC 6010 PLEASANTON CA
925-980 NEW CINGULAR WIRELESS PCS, LLC 6010 LIVERMORE CA
925-997 NEW CINGULAR WIRELESS PCS, LLC 6010 DUBLN-SNRM CA
925-998 NEW CINGULAR WIRELESS PCS, LLC 6010 PLEASANTON CA
928-201 NEW CINGULAR WIRELESS PCS, LLC 6010 BULLHEADCY AZ
928-221 NEW CINGULAR WIRELESS PCS, LLC 6010 FLAGSTAFF AZ
928-273 NEW CINGULAR WIRELESS PCS, LLC 6010 PRESCOTT AZ
928-274 NEW CINGULAR WIRELESS PCS, LLC 6010 SEDONA AZ
928-380 NEW CINGULAR WIRELESS PCS, LLC 6010 FLAGSTAFF AZ
928-517 NEW CINGULAR WIRELESS PCS, LLC 6010 PAYSON AZ
928-530 NEW CINGULAR WIRELESS PCS, LLC 6010 KINGMAN AZ
928-595 NEW CINGULAR WIRELESS PCS, LLC 6010 PAYSON AZ
928-612 NEW CINGULAR WIRELESS PCS, LLC 6010 PAGE AZ
928-701 NEW CINGULAR WIRELESS PCS, LLC 6010 GLOBE AZ
928-706 NEW CINGULAR WIRELESS PCS, LLC 6010 LKHAVASUCY AZ
928-719 NEW CINGULAR WIRELESS PCS, LLC 6010 GLOBE AZ
929-465 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NWYRCYZN10 NY
931-210 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CROSSVILLE TN
931-215 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 COLUMBIA TN
931-216 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLARKSVL TN
931-220 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLARKSVL TN
931-244 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LAWRENCEBG TN
931-248 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CROSSVILLE TN
931-249 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLARKSVL TN
931-252 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 COOKEVILLE TN
931-278 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLARKSVL TN
931-286 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 COLUMBIA TN
931-378 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLARKSVL TN
931-398 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 COLUMBIA TN

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.