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: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-744 A Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-744 0 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-744 1 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-744 2 Sunnyvale CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-08-14   
408-744 3 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-744 4 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-744 5 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-744 6 Sunnyvale CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-14   
408-744 7 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-744 8 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      
408-744 9 Sunnyvale CA SNVACA11DS0  9740 PACIFIC BELL 722      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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