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: 975

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-975 A San Jose: West DA CA SNJSCA02DS0  9740 PACIFIC BELL 722      
408-975 0 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-975 1 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-975 2 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-975 3 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-975 4 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-975 5 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-975 6 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-975 7 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-975 8 San Jose: West DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2019-08-30   
408-975 9 San Jose: West DA CA   9740 PACIFIC BELL 722      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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