Local Calling Guide

Area code/prefix search

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Alturas, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-233 A ALTRCAXFDS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-640 A RDNGCAGA0MD  6261 UNITED STATES CELLULAR - CA 724      
530-640 0   6261 UNITED STATES CELLULAR - CA 724      
530-640 1   6261 UNITED STATES CELLULAR - CA 724      
530-640 2   6261 UNITED STATES CELLULAR - CA 724      
530-640 3   6261 UNITED STATES CELLULAR - CA 724      
530-640 4   145J TERRA NOVA TELECOM INC. 724   2025-05-15   
530-640 5   776C CHARTER FIBERLINK CA-CCO, LLC - CA 724   2025-04-27   
530-640 6   145J TERRA NOVA TELECOM INC. 724   2026-01-04   
530-640 8   5562 METROPCS, INC. 724   2025-05-09   
530-640 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2025-08-24   
530-708 A CHICCAEYKMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724      
530-708 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724      
530-708 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724      
530-708 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724      
530-708 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2024-11-08   
530-708 4   6529 T-MOBILE USA, INC. 724   2025-04-20   
530-708 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2022-03-25   
530-708 6   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2017-08-24   
530-708 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2013-12-14   
530-708 8   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 724   2011-03-18   
530-708 9   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 724   2022-02-05   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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