Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

San Jose: West DA, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
408-966 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-967 A SNJSCA21DS1  9740 PACIFIC BELL 722      
408-969 A SNTCCA01DS1  9740 PACIFIC BELL 722      
408-969 0 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-969 1 FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2008-05-30   
408-969 2 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-969 3   624H ONVOY SPECTRUM, LLC 722   2023-09-15   
408-969 4 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-969 5 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-969 6 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-969 7 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-969 8 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-969 9 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-970 A SNTCCA01DS1  9740 PACIFIC BELL 722      
408-970 0 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-970 1 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-970 2 SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2018-08-16   
408-970 3 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-970 4 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-970 5 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-970 6 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-970 7 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-970 8 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-970 9 SNTCCA01DS1  9740 PACIFIC BELL 722      
408-971 A SNJSCA02DS1  9740 PACIFIC BELL 722      
408-973 A SNJSCA12DS1  9740 PACIFIC BELL 722      
408-973 0 SNJSCA12DS1  9740 PACIFIC BELL 722      
408-973 1 SNJSCA12DS1  9740 PACIFIC BELL 722      
408-973 2 SNJSCA12DS1  9740 PACIFIC BELL 722      
408-973 3 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-09-18   
408-973 4 SNJSCA12DS1  9740 PACIFIC BELL 722      
408-973 5 SNJSCA12DS1  9740 PACIFIC BELL 722      
408-973 6 SNJSCA12DS1  9740 PACIFIC BELL 722      
408-973 7 SNJSCA12DS1  9740 PACIFIC BELL 722      
408-973 8 SNJSCA12DS1  9740 PACIFIC BELL 722      
408-973 9 SNJSCA12DS1  9740 PACIFIC BELL 722      
408-974 A SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
408-975 A SNJSCA02DS0  9740 PACIFIC BELL 722      
408-975 0 SNJSCA02DS0  9740 PACIFIC BELL 722      
408-975 1 SNJSCA02DS0  9740 PACIFIC BELL 722      
408-975 2 SNJSCA02DS0  9740 PACIFIC BELL 722      
408-975 3 SNJSCA02DS0  9740 PACIFIC BELL 722      
408-975 4 SNJSCA02DS0  9740 PACIFIC BELL 722      
408-975 5 SNJSCA02DS0  9740 PACIFIC BELL 722      
408-975 6 SNJSCA02DS0  9740 PACIFIC BELL 722      
408-975 7 SNJSCA02DS0  9740 PACIFIC BELL 722      
408-975 8 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2019-08-30   
408-975 9 SNJSCA02DS0  9740 PACIFIC BELL 722      
408-977 A SNJSCA02DS0  9740 PACIFIC BELL 722      
408-980 A SNTCCA01DS1  9740 PACIFIC BELL 722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.