Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-827 A HRLNCAXFRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-827 0   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-827 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2025-12-05   
530-827 2   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-827 3   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-827 4   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-827 5   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-827 7   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2017-08-23   
530-827 8   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-827 9   2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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