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.

Switch: SNFCCA21XUY

<< 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 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
650-442 1 South San Francisco CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-11-26   
650-442 2 South San Francisco CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-11-26   
650-442 3 South San Francisco CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-11-26   
650-442 4 South San Francisco CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-11-26   
650-442 5 South San Francisco CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-11-26   
650-443 6 Millbrae CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-05-16   
650-443 7 Millbrae CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-05-16   
650-445 4 San Mateo CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-06-28   
650-446 A Woodside CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-446 4 Woodside CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-10-04   
650-446 5 Woodside CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-05-16   
650-446 6 Woodside CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-05-16   
650-448 6 Mountain View CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2018-10-31   
650-449 6 San Francisco: Juniper DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-12-14   
650-449 7 San Francisco: Juniper DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-12-14   
650-449 8 San Francisco: Juniper DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-19   
650-449 9 San Francisco: Juniper DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-12-14   
650-450 8 Mountain View CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-21   
650-451 1 Pacifica CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-29   
650-451 3 Pacifica CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-13   
650-451 5 Pacifica CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-13   
650-451 9 Pacifica CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-13   
650-453 0 San Carlos-Belmont CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-08-28   
650-453 8 San Carlos-Belmont CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-14   
650-457 1 South San Francisco CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-01-10   
650-458 5 San Mateo CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-06-18   
650-458 7 San Mateo CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-12-06   
650-459 A Half Moon Bay CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-459 0 Half Moon Bay CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-04-06   
650-459 1 Half Moon Bay CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-04-06   
650-459 2 Half Moon Bay CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-04-06   
650-459 3 Half Moon Bay CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-06-09   
650-460 7 Palo Alto CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-08-23   
650-460 8 Palo Alto CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-08-23   
650-466 0 San Francisco: Juniper DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-19   
650-466 6 San Francisco: Juniper DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-19   
650-466 8 San Francisco: Juniper DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-19   
650-468 0 Palo Alto CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-26   
650-468 2 Palo Alto CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-24   
650-469 3 Los Altos CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-14   
650-474 5 Redwood City CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-05-21   
650-479 1 Half Moon Bay CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-11-16   
650-479 4 Half Moon Bay CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-04-01   
650-479 5 Half Moon Bay CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-11-09   
650-479 6 Half Moon Bay CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-11-09   
650-485 1 Palo Alto CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
650-485 3 Palo Alto CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
650-487 0 La Honda CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-09-20   
650-487 2 La Honda CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-19   
650-488 1 San Francisco: Juniper DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-19   

<< 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 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.