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: 612K CSC VOICE, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
816-259 A St Joseph MO STJSMODNFMD  524      
816-259 2 St Joseph MO   524   2013-12-29   
816-259 3 St Joseph MO   524   2013-12-29   
816-259 4 St Joseph MO   524   2013-12-29   
816-259 5 St Joseph MO   524   2013-12-29   
816-273 0 St Joseph MO   524   2002-07-27   
816-338 A Agency MO STJSMODNFMD  524      
816-338 4 Agency MO   524   2005-04-01   
816-342 A Avenue City MO STJSMODNFMD  524      
816-342 2 Avenue City MO   524   2014-03-02   
816-342 3 Avenue City MO   524   2007-06-19   
816-432 A Savannah MO STJSMODNFMD  524      
816-432 0 Savannah MO   524   2008-04-21   
816-432 2 Savannah MO   524   2014-03-02   
816-432 4 Savannah MO   524   2005-04-01   
816-484 A San Antonio MO STJSMODNFMD  524      
816-484 2 San Antonio MO   524   2014-03-02   
816-484 4 San Antonio MO   524   2006-01-31   
816-689 A St Joseph MO STJSMODNFMD  524      
816-689 0 St Joseph MO   524      
816-689 1 St Joseph MO   524      
816-689 2 St Joseph MO   524      
816-689 3 St Joseph MO   524      
816-689 4 St Joseph MO   524      
816-689 5 St Joseph MO   524      
816-689 6 St Joseph MO   524      
816-749 A St Joseph MO STJSMODNFMD  524      
816-749 1 St Joseph MO   524   2011-03-31   
816-749 2 St Joseph MO   524   2011-03-31   
816-749 4 St Joseph MO   524   2006-12-30   
828-340 3 Sylva NC AHVLNCOH13Z  420   2021-09-27   
828-365 5 Enka-Candler NC AHVLNCOH13Z  420   2021-09-27   
828-377 4 Waynesville NC AHVLNCOH13Z  420   2021-09-27   
828-487 1 Highlands NC AHVLNCOH13Z  420   2021-09-27   
828-519 2 Weaverville NC AHVLNCOH13Z  420   2021-09-27   
828-547 6 Cashiers NC AHVLNCOH13Z  420   2021-09-27   
828-574 A Asheville NC AHVLNCOH13Z  420      
828-574 5 Asheville NC AHVLNCOH13Z  420   2021-08-26   
828-576 1 Franklin NC AHVLNCOH13Z  420   2021-09-27   
828-583 2 Marion NC AHVLNCOH13Z  420   2021-09-27   
828-590 A Fairview NC AHVLNCOH13Z  420      
828-590 3 Fairview NC AHVLNCOH13Z  420   2021-10-23   
828-607 A Morganton NC CHRLNCBOXDZ  422      
828-607 5 Morganton NC CHRLNCBOXDZ  422   2021-08-26   
828-630 3 Arden NC AHVLNCOH13Z  420   2021-09-26   
828-642 A Hendersonville NC AHVLNCOH13Z  420      
828-642 3 Hendersonville NC AHVLNCOH13Z  420   2021-10-23   
828-799 2 Glenwood-Providence NC AHVLNCOH13Z  420   2021-09-27   
828-867 1 Micaville NC AHVLNCOH13Z  420   2021-09-27   
828-882 5 Cullowhee NC AHVLNCOH13Z  420   2021-09-27   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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