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 AMERICA, LLC - 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
650-760 6 South San Francisco CA SNRSCA01KMD  722   2023-08-06   
650-763 5 South San Francisco CA SNFCCAFJDS0  722   2010-11-15   
650-772 7 Mountain View CA SNJSCA02DS4  722   2014-12-27   
650-779 A Redwood City CA SNFCCAFJDS0  722      
650-779 2 Redwood City CA SNFCCAFJDS0  722      
650-779 9 Redwood City CA SNFCCAFJDS0  722      
650-798 A Palo Alto CA SNFCCAFJDS0  722      
650-798 0 Palo Alto CA SNFCCAFJDS0  722      
650-798 1 Palo Alto CA SNFCCAFJDS0  722      
650-798 2 Palo Alto CA SNFCCAFJDS0  722      
650-798 3 Palo Alto CA SNFCCAFJDS0  722      
650-798 5 Palo Alto CA SNFCCAFJDS0  722      
650-798 6 Palo Alto CA SNFCCAFJDS0  722      
650-798 8 Palo Alto CA SNFCCAFJDS0  722      
650-801 A San Carlos-Belmont CA SNFCCAFJDS0  722      
650-801 0 San Carlos-Belmont CA SNFCCAFJDS0  722      
650-801 1 San Carlos-Belmont CA SNFCCAFJDS0  722      
650-801 3 San Carlos-Belmont CA SNFCCAFJDS0  722      
650-801 4 San Carlos-Belmont CA SNFCCAFJDS0  722      
650-801 5 San Carlos-Belmont CA SNFCCAFJDS0  722      
650-801 6 San Carlos-Belmont CA SNFCCAFJDS0  722      
650-801 7 San Carlos-Belmont CA SNFCCAFJDS0  722      
650-820 4 Redwood City CA SNRSCA01KMD  722   2023-07-03   
650-821 A South San Francisco CA SNFCCAFJDS0  722      
650-826 5 South San Francisco CA SNJSCA02DS4  722   2015-03-20   
650-826 6 South San Francisco CA SNJSCA02DS4  722   2014-05-19   
650-864 6 Mountain View CA SNJSCA02DS4  722   2014-02-03   
650-865 6 San Mateo CA SNRSCA01KMD  722   2017-06-09   
650-881 A Pescadero CA SNFCCAFJDS0  722      
650-881 9 Pescadero CA SNFCCAFJDS0  722      
650-885 7 Palo Alto CA SNRSCA01KMD  722   2017-09-01   
650-962 3 Mountain View CA SNFCCAFJDS0  722   2013-10-10   
650-999 2 Palo Alto CA SNJSCA02DS4  722   2011-10-24   
669-204 7 San Jose: West DA CA SNRSCA01KMD  722   2016-05-24   
669-210 8 San Jose: West DA CA SNRSCA01KMD  722   2017-11-03   
669-212 A San Jose: West DA CA SNRSCA01KMD  722      
669-212 4 San Jose: West DA CA SNRSCA01KMD  722   2016-11-14   
669-212 5 San Jose: West DA CA SNRSCA01KMD  722   2016-11-14   
669-212 7 San Jose: West DA CA SNRSCA01KMD  722   2016-11-14   
669-212 8 San Jose: West DA CA SNRSCA01KMD  722   2016-11-14   
669-214 3 San Jose: North DA CA SNRSCA01KMD  722   2017-05-30   
669-215 6 Sunnyvale CA SNRSCA01KMD  722   2017-01-20   
669-217 A San Jose: West DA CA SNJSCA02DS4  722      
669-217 0 San Jose: West DA CA   722   2017-08-07   
669-217 1 San Jose: West DA CA   722   2017-08-07   
669-217 2 San Jose: West DA CA   722   2017-08-07   
669-217 3 San Jose: West DA CA   722   2017-08-07   
669-217 4 San Jose: West DA CA   722   2017-08-07   
669-217 5 San Jose: West DA CA   722   2017-08-07   
669-217 6 San Jose: West DA CA   722   2017-08-07   

<< 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 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.