NumberResearch Membership · Data 2026-04

Recent prefix assignments

77 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 31
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
434-251 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DANVILLE VA
434-258 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LYNCHBURG VA
434-259 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HURT VA
434-430 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 EMPORIA VA
434-466 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CHARLOTSVL VA
434-489 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DANVILLE VA
434-549 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DANVILLE VA
434-851 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LYNCHBURG VA
434-865 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SOUTH HILL VA
434-917 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SOUTH HILL VA
435-203 NEW CINGULAR WIRELESS PCS, LLC 6010 MTPLEASANT UT
435-220 NEW CINGULAR WIRELESS PCS, LLC 6010 MOAB UT
435-340 NEW CINGULAR WIRELESS PCS, LLC 6010 EPHRAIM UT
435-469 NEW CINGULAR WIRELESS PCS, LLC 6010 MTPLEASANT UT
435-503 NEW CINGULAR WIRELESS PCS, LLC 6010 HEBER CITY UT
435-559 NEW CINGULAR WIRELESS PCS, LLC 6010 CEDAR CITY UT
435-619 NEW CINGULAR WIRELESS PCS, LLC 6010 ST GEORGE UT
435-680 NEW CINGULAR WIRELESS PCS, LLC 6010 ST GEORGE UT
435-681 NEW CINGULAR WIRELESS PCS, LLC 6010 NEPHI UT
435-689 NEW CINGULAR WIRELESS PCS, LLC 6010 KANAB UT
435-691 NEW CINGULAR WIRELESS PCS, LLC 6010 CEDAR CITY UT
435-724 NEW CINGULAR WIRELESS PCS, LLC 6010 ROOSEVELT UT
435-729 NEW CINGULAR WIRELESS PCS, LLC 6010 PARK CITY UT
435-730 NEW CINGULAR WIRELESS PCS, LLC 6010 BRIGHAM CY UT
435-733 NEW CINGULAR WIRELESS PCS, LLC 6010 DUCHESNE UT
435-757 NEW CINGULAR WIRELESS PCS, LLC 6010 LOGAN UT
435-790 NEW CINGULAR WIRELESS PCS, LLC 6010 VERNAL UT
435-820 NEW CINGULAR WIRELESS PCS, LLC 6010 PRICE UT
435-830 NEW CINGULAR WIRELESS PCS, LLC 6010 TOOELE UT
435-849 NEW CINGULAR WIRELESS PCS, LLC 6010 TOOELE UT
435-881 NEW CINGULAR WIRELESS PCS, LLC 6010 LOGAN UT
435-901 NEW CINGULAR WIRELESS PCS, LLC 6010 PARK CITY UT
435-979 NEW CINGULAR WIRELESS PCS, LLC 6010 RICHFIELD UT
440-227 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WILLOUGHBY OH
440-281 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELYRIA OH
440-289 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WILLOUGHBY OH
440-376 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WILLOUGHBY OH
440-391 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WILLOUGHBY OH
440-463 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WILLOUGHBY OH
440-520 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WILLOUGHBY OH
440-522 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LORAIN OH
440-570 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 VICTORY OH
440-610 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELYRIA OH
440-655 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WILLOUGHBY OH
440-670 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LORAIN OH
440-725 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WILLOUGHBY OH
440-840 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WILLOUGHBY OH
440-864 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ELYRIA OH
443-201 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WESTMINSTR MD
443-253 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BALTIMORE MD

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.