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: 478

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-478 A Los Angeles: DA 03 CA LSANCA56DS0  9740 PACIFIC BELL 730      
323-478 0 Los Angeles: DA 03 CA LSANCA56DS0  9740 PACIFIC BELL 730      
323-478 1 Los Angeles: DA 03 CA LSANCA56DS0  9740 PACIFIC BELL 730      
323-478 2 Los Angeles: DA 03 CA LSANCA56DS0  9740 PACIFIC BELL 730      
323-478 3 Los Angeles: DA 03 CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
323-478 4 Los Angeles: DA 03 CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
323-478 5 Los Angeles: DA 03 CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
323-478 6 Los Angeles: DA 03 CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
323-478 7 Los Angeles: DA 03 CA LSANCA56DS0  9740 PACIFIC BELL 730      
323-478 8 Los Angeles: DA 03 CA LSANCA56DS0  9740 PACIFIC BELL 730      
323-478 9 Los Angeles: DA 03 CA LSANCA56DS0  9740 PACIFIC BELL 730      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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