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: MPTSPA020MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
724-201 A Ellwood City PA 422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234      
724-629 A Westford PA 422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234      
724-768 A Curtisville PA 422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234      
724-841 A Butler PA 422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234      
724-849 A Kecksburg PA 422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234      
724-921 A Imperial PA 422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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