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.
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Switch: HRBGPA29PS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
717-461 A Harrisburg City Zone-1 PA 7513 CTSI, INC. - PA 226      
717-461 4 Harrisburg City Zone-1 PA 7513 CTSI, INC. - PA 226   2009-10-21   
717-902 A Middletown (Dauphin) PA 7513 CTSI, INC. - PA 226      
717-902 0 Middletown (Dauphin) PA 7513 CTSI, INC. - PA 226      

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

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