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: MPTSPA021MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
724-534 5 Murdocksville PA 422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234   2023-09-02   
724-849 A Kecksburg PA 422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234      
724-849 0 Kecksburg PA 422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234   2006-05-17   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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