Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

NXX: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-856 A Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      
323-856 0 Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      
323-856 1 Los Angeles: DA 14 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-02-13   
323-856 2 Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      
323-856 3 Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      
323-856 4 Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      
323-856 5 Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      
323-856 6 Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      
323-856 7 Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      
323-856 8 Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      
323-856 9 Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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