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.

OCN: 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
650-316 A Mountain View CA SNFCCAFJDS0  722      
650-316 1 Mountain View CA   722      
650-316 2 Mountain View CA   722      
650-316 3 Mountain View CA   722      
650-316 4 Mountain View CA   722      
650-316 7 Mountain View CA   722      
650-382 5 Palo Alto CA   722   2016-01-04   
650-383 A Los Altos CA SNJSCA02DS4  722      
650-383 2 Los Altos CA   722   2014-11-14   
650-383 9 Los Altos CA   722      
650-384 A Palo Alto CA SNJSCA02DS4  722      
650-384 4 Palo Alto CA   722      
650-385 A Redwood City CA SNJSCA02DS4  722      
650-385 0 Redwood City CA   722      
650-385 2 Redwood City CA   722      
650-385 3 Redwood City CA   722      
650-385 4 Redwood City CA   722      
650-385 5 Redwood City CA   722      
650-385 6 Redwood City CA   722      
650-385 7 Redwood City CA   722      
650-386 A Mountain View CA SNJSCA02DS4  722      
650-386 2 Mountain View CA   722      
650-386 3 Mountain View CA   722      
650-386 4 Mountain View CA   722      
650-386 8 Mountain View CA   722      
650-386 9 Mountain View CA   722      
650-395 3 Redwood City CA   722   2015-08-06   
650-395 5 Redwood City CA   722   2008-01-19   
650-395 6 Redwood City CA   722   2008-08-02   
650-414 A Redwood City CA   722   2019-02-14   
650-414 6 Redwood City CA   722   2019-02-14   
650-418 7 San Mateo CA   722   2019-07-18   
650-422 6 Palo Alto CA   722   2013-09-13   
650-441 1 Palo Alto CA   722   2017-02-22   
650-441 3 Palo Alto CA   722   2017-02-14   
650-445 6 San Mateo CA   722   2013-09-27   
650-447 8 Mountain View CA   722   2017-08-14   
650-457 2 South San Francisco CA   722   2015-12-08   
650-488 A San Francisco: Juniper DA CA SNJSCA02DS4  722      
650-488 2 San Francisco: Juniper DA CA   722      
650-530 A Woodside CA SNFCCAFJDS0  722      
650-530 9 Woodside CA   722      
650-536 6 San Francisco: Juniper DA CA   722   2018-03-09   
650-546 A Palo Alto CA   722      
650-546 2 Palo Alto CA   722   2015-10-31   
650-546 8 Palo Alto CA   722   2015-10-30   
650-567 0 Mountain View CA   722   2014-07-18   
650-567 2 Mountain View CA   722   2014-07-18   
650-581 A San Mateo CA SNFCCAFJDS0  722      
650-581 2 San Mateo CA   722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.