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: 220C LEVEL 3 TELECOM OF MISSISSIPPI, LLC - MS

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
228-273 A Biloxi MS BILXMSEDXQY  484      
228-273 0 Biloxi MS   484   2005-01-02   
228-438 A Biloxi MS BILXMSEDXPX  484      
228-438 2 Biloxi MS   484   2012-04-26   
228-574 4 Gulfport MS   484   2013-07-29   
601-427 6 Madison MS   482   2016-03-26   
662-510 A Memphis MS MMPKTNVZFMD  468      
662-510 0 Memphis MS   468      
662-510 1 Memphis MS   468      
662-529 A Tunica MS JCSNMS911MD  482      
662-529 2 Tunica MS   482   2003-10-30   
662-548 2 Memphis MS   468   2003-12-29   
662-548 8 Memphis MS   468   2005-01-20   
662-548 9 Memphis MS   468   2005-01-20   
662-787 A Memphis MS MMPKTNVZFMD  468      
662-787 0 Memphis MS   468   2005-05-14   
662-787 1 Memphis MS   468   2005-05-14   
662-787 2 Memphis MS   468   2005-05-14   
662-787 3 Memphis MS   468   2005-05-14   
662-787 4 Memphis MS   468   2005-05-14   
662-787 5 Memphis MS   468   2005-05-14   
662-787 6 Memphis MS   468   2005-05-14   
662-787 7 Memphis MS   468   2005-05-14   
662-787 8 Memphis MS   468   2005-05-14   
662-787 9 Memphis MS   468   2005-05-14   
662-892 4 Olive Branch MS   468   2006-07-24   
662-892 7 Olive Branch MS   468   2011-04-19   
662-894 A Lula MS JCSNMSCP32Z  482      
662-894 2 Lula MS   482   2011-12-22   
769-524 A Jackson MS JCSNMSCP32Z  482      
769-524 2 Jackson MS   482   2011-05-12   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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