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
562-774 9 Downey CA IRVNCASM1MD  730      
562-775 A Compton: Compton DA CA IRVNCASM1MD  730      
562-781 A Whittier CA IRVNCASM1MD  730      
562-781 0 Whittier CA IRVNCASM1MD  730      
562-781 2 Whittier CA IRVNCASM1MD  730      
562-821 A Pico Rivera CA IRVNCASM1MD  730      
562-821 0 Pico Rivera CA IRVNCASM1MD  730      
562-977 A Norwalk CA IRVNCASM1MD  730      
562-977 0 Norwalk CA IRVNCASM1MD  730      
562-977 1 Norwalk CA IRVNCASM1MD  730      
562-977 2 Norwalk CA IRVNCASM1MD  730      
562-977 4 Norwalk CA IRVNCASM1MD  730      
562-977 6 Norwalk CA IRVNCASM1MD  730      
562-992 A Compton: Compton DA CA IRVNCASM1MD  730     2024-05-04 
562-999 A Long Beach CA IRVNCASM1MD  730      
562-999 0 Long Beach CA IRVNCASM1MD  730      
562-999 8 Long Beach CA IRVNCASM1MD  730      
617-206 5 Brighton MA CHTWMABF2MD  128   2005-04-10   
617-209 5 Belmont MA CHTWMABF2MD  128   2005-04-10   
617-307 5 South Boston MA CHTWMABF2MD  128   2005-04-10   
617-318 5 Roxbury MA CHTWMABF2MD  128   2013-12-06   
617-379 5 Dorchester MA CHTWMABF2MD  128   2005-04-10   
617-391 9 Boston MA CHTWMABF2MD  128   2008-07-18   
617-396 5 Brookline MA CHTWMABF2MD  128   2005-04-10   
617-398 5 Charlestown MA CHTWMABF2MD  128   2005-04-10   
617-401 4 Cambridge MA CHTWMABF2MD  128   2007-08-05   
617-405 5 Quincy MA CHTWMABF2MD  128   2005-04-03   
617-409 5 Chelsea MA CHTWMABF2MD  128   2006-11-27   
617-502 6 Boston MA CHTWMABF2MD  128   2007-04-28   
617-516 5 Roxbury MA CHTWMABF2MD  128   2005-04-10   
617-533 9 Dorchester MA CHTWMABF2MD  128   2012-01-20   
617-545 6 Everett MA CHTWMABF2MD  128   2013-05-31   
617-545 8 Everett MA CHTWMABF2MD  128   2017-04-14   
617-553 5 Jamaica Plain MA CHTWMABF2MD  128   2006-05-13   
617-607 5 Watertown MA CHTWMABF2MD  128   2006-09-14   
617-616 2 Somerville MA CHTWMABF2MD  128   2017-04-16   
617-674 A Cambridge MA CHTWMABF0MD  128      
617-674 5 Cambridge MA CHTWMABF2MD  128   2005-04-10   
617-674 9 Cambridge MA CHTWMABF0MD  128      
617-752 5 South Boston MA CHTWMABF2MD  128   2017-04-14   
617-830 A Boston MA CHTWMABF2MD  128      
617-830 5 Boston MA CHTWMABF2MD  128   2005-04-10   
617-863 5 Somerville MA CHTWMABF2MD  128   2005-09-23   
617-874 5 East Boston MA CHTWMABF2MD  128   2005-04-10   
617-890 5 Quincy MA CHTWMABF2MD  128   2017-07-01   
617-910 5 Hyde Park MA CHTWMABF2MD  128   2005-04-10   
619-308 A San Diego: San Diego DA CA SNDKCA882MD  732      
619-308 0 San Diego: San Diego DA CA SNDKCA882MD  732      
619-308 1 San Diego: San Diego DA CA SNDKCA882MD  732      
619-308 2 San Diego: San Diego DA CA SNDKCA882MD  732      

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

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