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.

Woodside, CA

<< 1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
650-446 2   515J IP HORIZON LLC 722      
650-446 3 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-08-02   
650-446 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-10-04   
650-446 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-05-16   
650-446 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-05-16   
650-446 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-11-18   
650-446 8 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-15   
650-446 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-11-18   
650-529 A MNPKCA11DS0  9740 PACIFIC BELL 722      
650-529 0 MNPKCA11DS0  9740 PACIFIC BELL 722      
650-529 1 MNPKCA11DS0  9740 PACIFIC BELL 722      
650-529 2 MNPKCA11DS0  9740 PACIFIC BELL 722      
650-529 3 MNPKCA11DS0  9740 PACIFIC BELL 722      
650-529 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-04-10   
650-529 5 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-04-13   
650-529 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-08-29   
650-529 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-10-04   
650-529 8 MNPKCA11DS0  9740 PACIFIC BELL 722      
650-529 9 MNPKCA11DS0  9740 PACIFIC BELL 722      
650-530 A SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-530 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-14   
650-530 1 SNJUCACL3MD  073H TELNYX LLC 722   2017-06-12   
650-530 2 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
650-530 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-01-19   
650-530 4 SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722   2020-10-01   
650-530 5 SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2012-12-22   
650-530 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-01-19   
650-530 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-01-19   
650-530 8 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-05-20   
650-530 9 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-547 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-547 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-06-27   
650-547 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-06-27   
650-547 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-02-25   
650-547 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-05-12   
650-547 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-05-12   
650-547 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-05-12   
650-547 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-06-27   
650-547 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-04-02   
650-547 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-04-02   
650-547 9 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-02-24   
650-658 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-658 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-10   
650-658 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-10   
650-658 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-10   
650-658 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-10   
650-658 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-10   
650-658 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-10   
650-658 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-10   
650-658 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-10   

<< 1 2 3 >>

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.