Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-474 A SHTNCAXFDS0  2342 CITIZENS TELECOM DBA FRONTIER COMM OF TOULUMNE 724      
530-849 A CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-849 7 CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2017-10-06   
530-849 9 CHICCACWCMD  490J DISH WIRELESS, LLC 724   2023-12-11   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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