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.

Mountain View, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
650-943 7 MTVWCA11DS0  9740 PACIFIC BELL 722      
650-943 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2023-03-20   
650-943 9 SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722   2020-10-01   
650-944 A MTVWCA11DS0  9740 PACIFIC BELL 722      
650-944 0 MTVWCA11DS0  9740 PACIFIC BELL 722      
650-944 1 MTVWCA11DS0  9740 PACIFIC BELL 722      
650-944 2 MTVWCA11DS0  9740 PACIFIC BELL 722      
650-944 3 MTVWCA11DS0  9740 PACIFIC BELL 722      
650-944 4 MTVWCA11DS0  9740 PACIFIC BELL 722      
650-944 5 MTVWCA11DS0  9740 PACIFIC BELL 722      
650-944 6 MTVWCA11DS0  9740 PACIFIC BELL 722      
650-944 7 MTVWCA11DS0  9740 PACIFIC BELL 722      
650-944 8 MTVWCA11DS0  9740 PACIFIC BELL 722      
650-944 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2014-02-16   
650-960 A MTVWCA11DS1  9740 PACIFIC BELL 722      
650-960 0 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-960 1 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-960 2 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-960 3 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-960 4 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-960 5 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2013-10-30   
650-960 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2012-10-21   
650-960 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
650-960 8 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-960 9 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-961 A MTVWCA11DS1  9740 PACIFIC BELL 722      
650-962 A MTVWCA11DS1  9740 PACIFIC BELL 722      
650-962 0 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-962 1 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-962 2 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-962 3 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2013-10-10   
650-962 4 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-962 5 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-962 6 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-962 7 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-962 8 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-962 9 MTVWCA11DS1  9740 PACIFIC BELL 722      
650-963 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-963 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-963 1 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-963 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-963 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-963 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2006-03-12   
650-963 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2007-01-27   
650-963 6 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-09-06   
650-963 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-04-04   
650-963 8 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-12-27   
650-963 9 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2007-02-17   
650-964 A MTVWCA11DS1  9740 PACIFIC BELL 722      
650-965 A MTVWCA11DS1  9740 PACIFIC BELL 722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.