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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: JCSNMSPSXMY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
601-262 6 Vicksburg MS 7421 AT&T LOCAL 482   2009-02-15   
601-460 2 Clinton MS 7421 AT&T LOCAL 482   2011-07-24   
601-499 A Madison MS 7421 AT&T LOCAL 482      
601-499 3 Madison MS 7421 AT&T LOCAL 482      
601-499 9 Madison MS 7421 AT&T LOCAL 482      
601-678 4 Meridian MS 7421 AT&T LOCAL 482   2006-04-17   
662-259 5 Oxford MS 7421 AT&T LOCAL 482   2007-07-09   
662-657 A Columbus MS 7421 AT&T LOCAL 482      
662-657 0 Columbus MS 7421 AT&T LOCAL 482      
769-229 A Brandon MS 7421 AT&T LOCAL 482      
769-229 9 Brandon MS 7421 AT&T LOCAL 482   2018-12-07   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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