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: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-747 A Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-747 0 Sunnyvale CA   9740 PACIFIC BELL 722      
408-747 1 Sunnyvale CA   9740 PACIFIC BELL 722      
408-747 2 Sunnyvale CA   9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-04-17   
408-747 3 Sunnyvale CA   9740 PACIFIC BELL 722      
408-747 4 Sunnyvale CA   9740 PACIFIC BELL 722      
408-747 5 Sunnyvale CA   9740 PACIFIC BELL 722      
408-747 6 Sunnyvale CA   9740 PACIFIC BELL 722      
408-747 7 Sunnyvale CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-09-15   
408-747 8 Sunnyvale CA   9740 PACIFIC BELL 722      
408-747 9 Sunnyvale CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-12-05   

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

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