Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 918

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-918 A Mount Shasta CA MTSHCA12DS1  9740 PACIFIC BELL 724      
530-918 0 Mount Shasta CA   9740 PACIFIC BELL 724      
530-918 1 Mount Shasta CA   9740 PACIFIC BELL 724      
530-918 2 Mount Shasta CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2011-07-23   
530-918 3 Mount Shasta CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2008-02-13   
530-918 4 Mount Shasta CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2005-08-02   
530-918 5 Mount Shasta CA   103G SNOWCREST TELEPHONE, INC -CA 724   2011-06-15   
530-918 6 Mount Shasta CA   516C AT&T CORP. 724   2011-08-05   
530-918 7 Mount Shasta CA   9740 PACIFIC BELL 724      
530-918 8 Mount Shasta CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2009-02-23   
530-918 9 Mount Shasta CA   9740 PACIFIC BELL 724      

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

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