Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
650-538 9 Pescadero CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-543 A Palo Alto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-546 3 Palo Alto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2015-11-26   
650-550 3 San Francisco: Juniper DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-09-11   
650-618 7 Palo Alto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-03-08   
650-645 1 San Mateo CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-03-11   
650-645 6 San Mateo CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-03-11   
650-645 7 San Mateo CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-03-11   
650-665 8 Palo Alto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2014-10-09   
650-681 A Palo Alto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-681 3 Palo Alto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2010-03-08   
650-681 5 Palo Alto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2009-10-11   
650-681 6 Palo Alto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2009-10-11   
650-730 5 San Carlos-Belmont CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-10-16   
650-737 4 South San Francisco CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-11-16   
650-739 4 Palo Alto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-03-08   
650-746 3 San Francisco: Juniper DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2002-10-17   
650-746 5 San Francisco: Juniper DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2014-11-28   
650-772 3 Mountain View CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2015-01-17   
650-779 6 Redwood City CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2015-04-01   
650-804 7 Palo Alto CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-03-08   
650-810 A Mountain View CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-810 0 Mountain View CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-810 1 Mountain View CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-810 2 Mountain View CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-810 8 Mountain View CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-810 9 Mountain View CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-832 A San Carlos-Belmont CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-832 6 San Carlos-Belmont CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 A San Mateo CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 0 San Mateo CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 1 San Mateo CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 2 San Mateo CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 3 San Mateo CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 8 San Mateo CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 9 San Mateo CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-933 9 Mountain View CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2012-03-06   
650-963 8 Mountain View CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-12-27   
669-230 7 San Jose: West DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2016-01-28   
669-231 8 San Jose: West DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2014-03-20   
669-236 8 San Jose: West DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2014-07-26   
669-243 2 San Jose: West DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2014-10-23   
669-243 3 San Jose: West DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2015-07-24   
669-252 A San Jose: North DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
669-252 7 San Jose: North DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2014-12-12   
669-252 8 San Jose: North DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2014-12-12   
669-265 3 San Jose: North DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2015-10-31   
669-275 7 San Jose: South DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2016-05-19   
669-314 A Sunnyvale CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
669-314 5 Sunnyvale CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2022-08-15   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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