NumberResearch Membership · Data 09/18/2026

Recent prefix assignments

33 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 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
614-531 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
614-607 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
614-619 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
614-620 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
614-648 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
614-736 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
614-747 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
614-795 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
614-905 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
614-906 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
614-940 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
616-263 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CEDAR SPG MI
616-304 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRAND RPDS MI
616-378 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JAMESTOWN MI
616-448 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DRENTHE MI
616-469 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ADA MI
616-536 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CALEDONIA MI
616-548 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GREENVILLE MI
616-666 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRAND RPDS MI
616-801 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLAND MI
616-818 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRAND RPDS MI
616-824 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GREENVILLE MI
616-843 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDHAVEN MI
616-881 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRAND RPDS MI
618-210 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-231 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
618-237 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
618-292 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
618-303 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARBONDALE IL
618-315 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MT VERNON IL
618-334 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-339 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
618-352 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
618-353 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARBONDALE IL
618-359 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
618-401 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-402 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-406 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-407 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-409 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-420 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-518 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HARRISBURG IL
618-520 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-525 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARBONDALE IL
618-527 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARBONDALE IL
618-528 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARBONDALE IL
618-540 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-541 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-550 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-560 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL

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.