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.
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OCN: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
415-384 3 Mill Valley CA SNJSCAYB0MD  722   2000-10-04   
415-384 4 Mill Valley CA SNJSCAYB0MD  722   2000-10-04   
415-390 4 Point Reyes CA SNJSCAYB0MD  722   2009-10-01   
415-400 7 San Francisco: Central DA CA SNJSCAYB0MD  722   2009-04-25   
415-400 8 San Francisco: Central DA CA SNJSCAYB0MD  722   2009-04-25   
415-410 A San Francisco: Montrose-Evergreen DA CA SNJSCAYB0MD  722      
415-410 2 San Francisco: Montrose-Evergreen DA CA SNJSCAYB0MD  722      
415-417 3 San Francisco: Central DA CA SNJSCAYB0MD  722   2015-06-25   
415-419 A San Rafael CA SNJSCAYB0MD  722      
415-419 3 San Rafael CA SNJSCAYB0MD  722      
415-426 3 San Francisco: Central DA CA SNJSCAYB0MD  722   2011-12-27   
415-426 6 San Francisco: Central DA CA SNJSCAYB0MD  722   2012-03-16   
415-430 A San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 1 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 2 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 3 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 6 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-432 2 San Francisco: Central DA CA SNJSCAYB0MD  722   2012-01-09   
415-432 4 San Francisco: Central DA CA SNJSCAYB0MD  722   2012-04-02   
415-432 5 San Francisco: Central DA CA SNJSCAYB0MD  722   2012-03-16   
415-470 5 San Francisco: Central DA CA SNJSCAYB0MD  722   2012-05-31   
415-471 2 San Francisco: Central DA CA SNJSCAYB0MD  722   2011-12-05   
415-475 4 Ignacio CA SNJSCAYB0MD  722   2000-10-04   
415-475 5 Ignacio CA SNJSCAYB0MD  722   2000-10-04   
415-475 6 Ignacio CA SNJSCAYB0MD  722   2000-10-04   
415-483 8 Ignacio CA SNJSCAYB0MD  722   2007-12-27   
415-493 2 Novato CA SNJSCAYB0MD  722   2000-10-04   
415-493 3 Novato CA SNJSCAYB0MD  722   2000-10-04   
415-493 4 Novato CA SNJSCAYB0MD  722   2000-10-04   
415-496 2 Corte Madera CA SNJSCAYB0MD  722   2000-10-04   
415-510 7 San Francisco: Central DA CA SNJSCAYB0MD  722   2015-03-16   
415-510 8 San Francisco: Central DA CA SNJSCAYB0MD  722   2015-03-16   
415-525 8 San Francisco: Central DA CA SNJSCAYB0MD  722   2008-10-16   
415-526 A San Rafael CA SNJSCAYB0MD  722      
415-526 0 San Rafael CA SNJSCAYB0MD  722      
415-526 1 San Rafael CA SNJSCAYB0MD  722      
415-526 2 San Rafael CA SNJSCAYB0MD  722      
415-526 4 San Rafael CA SNJSCAYB0MD  722      
415-526 5 San Rafael CA SNJSCAYB0MD  722      
415-526 6 San Rafael CA SNJSCAYB0MD  722      
415-526 7 San Rafael CA SNJSCAYB0MD  722      
415-526 8 San Rafael CA SNJSCAYB0MD  722      
415-526 9 San Rafael CA SNJSCAYB0MD  722      
415-562 A San Francisco: Juniper DA CA SNJSCAYB0MD  722      
415-562 1 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
415-562 2 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
415-562 3 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
415-562 9 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
415-568 A San Francisco: Central DA CA SNJSCAYB0MD  722      
415-568 2 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-568 3 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-568 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-568 9 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-569 A Mill Valley CA SNJSCAYB0MD  722      
415-569 9 Mill Valley CA SNJSCAYB0MD  722      
415-570 5 San Francisco: Juniper DA CA SNJSCAYB0MD  722   2004-05-06   
415-598 6 Nicasio CA SNJSCAYB0MD  722   2009-10-01   
415-624 8 San Francisco: Central DA CA SNJSCAYB0MD  722   2010-04-04   
415-632 4 San Francisco: Central DA CA SNJSCAYB0MD  722   2007-09-10   
415-632 5 San Francisco: Central DA CA SNJSCAYB0MD  722   2007-09-10   
415-635 2 San Francisco: Central DA CA SNJSCAYB0MD  722   2013-03-18   
415-635 3 San Francisco: Central DA CA SNJSCAYB0MD  722   2013-03-18   
415-644 4 San Francisco: Central DA CA SNJSCAYB0MD  722   2008-05-04   
415-653 4 San Francisco: Central DA CA SNJSCAYB0MD  722   2013-09-24   
415-653 5 San Francisco: Central DA CA SNJSCAYB0MD  722   2013-09-24   
415-655 2 San Francisco: Central DA CA SNJSCAYB0MD  722   2007-09-10   
415-655 4 San Francisco: Central DA CA SNJSCAYB0MD  722   2007-02-26   
415-655 5 San Francisco: Central DA CA SNJSCAYB0MD  722   2007-02-26   
415-655 6 San Francisco: Central DA CA SNJSCAYB0MD  722   2007-02-26   
415-655 7 San Francisco: Central DA CA SNJSCAYB0MD  722   2007-02-26   
415-655 8 San Francisco: Central DA CA SNJSCAYB0MD  722   2007-02-26   
415-660 2 San Francisco: Central DA CA SNJSCAYB0MD  722   2014-07-20   
415-660 3 San Francisco: Central DA CA SNJSCAYB0MD  722   2014-07-20   
415-694 5 San Francisco: Central DA CA SNJSCAYB0MD  722   2006-02-06   
415-694 6 San Francisco: Central DA CA SNJSCAYB0MD  722   2006-02-06   
415-694 7 San Francisco: Central DA CA SNJSCAYB0MD  722   2006-02-06   
415-735 2 San Francisco: Central DA CA SNJSCAYB0MD  722   2009-10-17   
415-746 A San Francisco: Central DA CA SNJSCAYB0MD  722      
415-746 1 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-748 3 San Francisco: Central DA CA SNJSCAYB0MD  722   2010-03-08   
415-755 A San Rafael CA SNJSCAYB0MD  722      
415-755 1 San Rafael CA SNJSCAYB0MD  722      
415-755 2 San Rafael CA SNJSCAYB0MD  722      
415-755 6 San Rafael CA SNJSCAYB0MD  722      
415-755 9 San Rafael CA SNJSCAYB0MD  722      
415-757 3 San Francisco: Central DA CA SNJSCAYB0MD  722   2013-01-02   
415-757 4 San Francisco: Central DA CA SNJSCAYB0MD  722   2013-01-02   
415-758 A Corte Madera CA SNJSCAYB0MD  722      
415-758 5 Corte Madera CA SNJSCAYB0MD  722      
415-758 9 Corte Madera CA SNJSCAYB0MD  722      
415-761 8 Novato CA SNJSCAYB0MD  722   2013-08-31   
415-766 6 San Francisco: Central DA CA SNJSCAYB0MD  722   2010-09-03   
415-767 3 San Francisco: Central DA CA SNJSCAYB0MD  722   2013-05-23   
415-767 4 San Francisco: Central DA CA SNJSCAYB0MD  722   2013-05-23   
415-780 6 San Francisco: Central DA CA SNJSCAYB0MD  722   2014-01-20   
415-780 7 San Francisco: Central DA CA SNJSCAYB0MD  722   2014-01-20   
415-796 7 San Francisco: Central DA CA SNJSCAYB0MD  722   2010-03-08   
415-798 3 Novato CA SNJSCAYB0MD  722   2007-12-27   
415-798 5 Novato CA SNJSCAYB0MD  722   2007-03-11   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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