Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 818 [Rate centres in NPA 818] [Dial plan for NPA 818]

NXX: 591

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
818-591 A Canoga Park CA CLBSCA11DS0  9740 PACIFIC BELL 730      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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