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: SHPTLATLWMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
318-229 4 Alexandria LA 7421 AT&T - LOCAL 486   2004-01-26   
318-267 3 Monroe LA 7421 AT&T - LOCAL 486   2003-03-18   
318-655 A Shreveport LA 7421 AT&T - LOCAL 486      
318-655 9 Shreveport LA 7421 AT&T - LOCAL 486      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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