NumberResearch Membership · Data 2026-04

Recent prefix assignments

79 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04

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 30
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
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
618-562 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROBINSON IL
618-570 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-578 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-604 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-616 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-623 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-660 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-691 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-727 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
618-751 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MARION IL
618-780 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
618-795 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-799 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-803 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-806 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-837 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OLNEY IL
618-838 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OLNEY IL
618-839 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OLNEY IL
618-843 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OLNEY IL
618-918 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
618-922 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MARION IL
618-923 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WFRANKFORT IL
618-924 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MURPHYSBO IL
618-925 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HERRIN IL
618-926 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HARRISBURG IL
618-927 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BENTON IL
618-954 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-971 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
618-974 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLLINSVL IL
619-200 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-203 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-244 NEW CINGULAR WIRELESS PCS, LLC 6010 EL CAJON CA
619-246 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-252 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-261 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-300 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-309 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-316 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-339 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-370 NEW CINGULAR WIRELESS PCS, LLC 6010 CHULAVISTA CA
619-504 NEW CINGULAR WIRELESS PCS, LLC 6010 EL CAJON CA
619-518 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-673 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-708 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-709 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA
619-739 NEW CINGULAR WIRELESS PCS, LLC 6010 CHULAVISTA CA
619-770 NEW CINGULAR WIRELESS PCS, LLC 6010 SNDG SNDG CA

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.