Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 723

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-723 A San Jose: South DA CA SNJSCA14DS0  9740 PACIFIC BELL 722      
408-723 0 San Jose: South DA CA   9740 PACIFIC BELL 722      
408-723 1 San Jose: South DA CA   9740 PACIFIC BELL 722      
408-723 2 San Jose: South DA CA   9740 PACIFIC BELL 722      
408-723 3 San Jose: South DA CA   9740 PACIFIC BELL 722      
408-723 4 San Jose: South DA CA   9740 PACIFIC BELL 722      
408-723 5 San Jose: South DA CA   9740 PACIFIC BELL 722      
408-723 6 San Jose: South DA CA   9740 PACIFIC BELL 722      
408-723 7 San Jose: South DA CA   9740 PACIFIC BELL 722      
408-723 8 San Jose: South DA CA   9740 PACIFIC BELL 722      
408-723 9 San Jose: South DA CA   145J TERRA NOVA TELECOM INC. 722   2025-10-04   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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