Local Calling Guide

Area code/prefix search

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Fall River Mills, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-336 A FRMLCAXFDS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-336 0 FRMLCAXFDS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-336 1   145J TERRA NOVA TELECOM INC. 724   2025-05-15   
530-336 2 RDNGCA025MD  9262 UTILITY TELECOM GROUP, LLC - CA 724   2018-01-23   
530-336 3 FRMLCAXFDS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-336 4 CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2017-08-23   
530-336 5 FRMLCAXFDS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-336 6 FRMLCAXFDS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-336 7 FRMLCAXFDS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-336 8 CHICCACW8MD  965H FRACTEL, LLC 724   2020-11-27   
530-336 9 FRMLCAXFDS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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