Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Chester, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-258 A CHTRCAXFDS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-258 0   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-258 1   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-258 2   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-258 3   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-258 4   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-258 5   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-258 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724      
530-258 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724      
530-258 9   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 A LKARCAABRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 0   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 2   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 3   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 4   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 5   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 6   145J TERRA NOVA TELECOM INC. 724   2025-05-15   
530-259 8   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 724   2021-05-03   
530-816 A CHICCAEYKMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724      
530-816 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724      
530-816 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724      
530-816 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724      
530-816 3   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 724   2010-04-12   
530-816 7   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2017-08-23   
530-816 9   6010 NEW CINGULAR WIRELESS PCS, LLC 724   2012-08-11   

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

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