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
559-632 8 Riverdale CA   728   2014-08-13   
559-633 5 Lemoore CA   728   2007-09-03   
559-646 7 Parlier CA   728   2010-11-28   
559-664 5 Madera CA   728   2005-04-29   
559-743 3 Reedley CA   728   2005-12-05   
559-748 3 Exeter CA   728   2013-11-01   
559-762 3 Corcoran CA   728   2009-10-31   
559-764 A Madera CA FRSNCA0112Z  728      
559-764 2 Madera CA   728   2022-07-29   
559-764 8 Madera CA   728   2022-07-29   
559-777 8 Fresno CA   728   2013-08-14   
559-780 5 Corcoran CA   728   2015-07-24   
559-785 4 Fresno CA   728   2014-12-27   
559-797 A Clovis CA FRSNCA0112Z  728      
559-797 3 Clovis CA   728      
559-802 1 Visalia CA   728   2005-09-09   
559-803 A Fresno CA FRSNCA0112Z  728      
559-806 A Visalia CA FRSNCA0112Z  728      
559-806 8 Visalia CA   728   2022-08-18   
559-823 3 Orange Cove CA   728   2013-02-28   
559-828 A Selma CA FRSNCA0112Z  728      
559-828 2 Selma CA   728   2022-08-15   
559-828 6 Selma CA   728   2022-08-15   
559-860 4 Fresno CA   728   2011-11-21   
559-876 5 Sanger CA   728   2007-09-03   
562-204 A Whittier CA IRVNCASM1MD  730      
562-204 1 Whittier CA   730      
562-205 A Pico Rivera CA IRVNCASM1MD  730      
562-205 1 Pico Rivera CA   730      
562-205 2 Pico Rivera CA   730      
562-205 3 Pico Rivera CA   730      
562-205 4 Pico Rivera CA   730      
562-205 9 Pico Rivera CA   730      
562-207 A Norwalk CA IRVNCASM1MD  730      
562-207 0 Norwalk CA   730      
562-207 1 Norwalk CA   730      
562-207 2 Norwalk CA   730      
562-207 3 Norwalk CA   730      
562-207 4 Norwalk CA   730      
562-207 6 Norwalk CA   730      
562-207 9 Norwalk CA   730      
562-210 2 Norwalk CA   730   2016-04-14   
562-210 3 Norwalk CA   730   2016-04-14   
562-213 A Lakewood CA IRVNCASM1MD  730      
562-213 1 Lakewood CA   730      
562-216 A Long Beach CA IRVNCASM1MD  730      
562-216 1 Long Beach CA   730      
562-216 2 Long Beach CA   730      
562-216 4 Long Beach CA   730      
562-216 5 Long Beach CA   730      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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