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: JCSNMSCP32Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
601-427 6 Madison MS 220C LEVEL 3 TELECOM OF MISSISSIPPI, LLC - MS 482   2016-03-26   
662-894 A Lula MS 220C LEVEL 3 TELECOM OF MISSISSIPPI, LLC - MS 482      
662-894 2 Lula MS 220C LEVEL 3 TELECOM OF MISSISSIPPI, LLC - MS 482   2011-12-22   
769-524 A Jackson MS 220C LEVEL 3 TELECOM OF MISSISSIPPI, LLC - MS 482      
769-524 2 Jackson MS 220C LEVEL 3 TELECOM OF MISSISSIPPI, LLC - MS 482   2011-05-12   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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