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
773-402 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-428 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-450 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-456 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL
773-480 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-490 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL
773-504 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-513 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-532 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-547 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-551 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL
773-575 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL
773-576 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-578 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-580 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL
773-607 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-608 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-612 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-613 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-618 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-620 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL
773-623 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-658 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN05 IL
773-659 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-806 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-810 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-813 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-820 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-841 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-852 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-860 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-910 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
773-972 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
775-220 NEW CINGULAR WIRELESS PCS, LLC 6010 CARSONCITY NV
775-230 NEW CINGULAR WIRELESS PCS, LLC 6010 CARSONCITY NV
775-233 NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
775-240 NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
775-397 NEW CINGULAR WIRELESS PCS, LLC 6010 ELKO NV
775-513 NEW CINGULAR WIRELESS PCS, LLC 6010 PAHRUMP NV
775-527 NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
775-544 NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
775-720 NEW CINGULAR WIRELESS PCS, LLC 6010 CARSONCITY NV
775-721 NEW CINGULAR WIRELESS PCS, LLC 6010 CARSONCITY NV
775-742 NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
775-761 NEW CINGULAR WIRELESS PCS, LLC 6010 ELY NV
775-762 NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
775-771 NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
775-772 NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV
775-790 NEW CINGULAR WIRELESS PCS, LLC 6010 GARDNERVL NV
775-815 NEW CINGULAR WIRELESS PCS, LLC 6010 RENO NV

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.