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: JCSNMSPSDS5

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
601-228 A Centreville MS 459H AIRUS, INC. - MS 482      
601-230 A Laurel MS 459H AIRUS, INC. - MS 482   2024-12-02   
601-521 A Madison MS 459H AIRUS, INC. - MS 482      
662-758 A Kosciusko MS 459H AIRUS, INC. - MS 482      
662-966 A Clarksdale MS 459H AIRUS, INC. - MS 482      
769-200 A Briarwood MS 459H AIRUS, INC. - MS 482      
769-235 A Jackson MS 459H AIRUS, INC. - MS 482      
769-254 A Buckatunna MS 459H AIRUS, INC. - MS 482      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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