Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 2313 DUCOR TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
530-585 A Rancho Tehama CA RNTHCAXFDS1  724      
559-534 A Ducor CA DUCRCAXFDS0  728      
559-850 A Kennedy Meadows CA DUCRCAXFDS0  728      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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