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: SHPTLAMADS5

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
318-408 8 Shreveport LA 477H AIRUS, INC. - LA 486   2021-10-17   
318-408 9 Shreveport LA 477H AIRUS, INC. - LA 486   2021-06-20   
318-685 A Shreveport LA 477H AIRUS, INC. - LA 486      
318-685 0 Shreveport LA 477H AIRUS, INC. - LA 486   2019-10-28   
318-685 1 Shreveport LA 477H AIRUS, INC. - LA 486   2019-06-06   
318-685 8 Shreveport LA 477H AIRUS, INC. - LA 486   2020-03-16   
318-833 9 Shreveport LA 477H AIRUS, INC. - LA 486   2021-02-27   

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

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