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: 855

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-855 A San Jose: West DA CA SNTCCA01DS1  9740 PACIFIC BELL 722      
408-855 0 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-855 1 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-855 2 San Jose: West DA CA   145J TERRA NOVA TELECOM INC. 722   2021-01-07   
408-855 3 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-855 4 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-855 5 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-855 6 San Jose: West DA CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2009-10-17   
408-855 7 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-855 8 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-855 9 San Jose: West DA CA   9740 PACIFIC BELL 722      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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