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: CRLSPAXCX2X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
717-594 A New Bloomfield PA 508J CENTURYLINK COMMUNICATIONS, LLC 226      
717-596 A Duncannon PA 508J CENTURYLINK COMMUNICATIONS, LLC 226      
717-670 A Gratz PA 508J CENTURYLINK COMMUNICATIONS, LLC 226      
717-913 A Shippensburg PA 508J CENTURYLINK COMMUNICATIONS, LLC 226      
717-936 A New Holland PA 508J CENTURYLINK COMMUNICATIONS, LLC 226      
717-962 A Carlisle PA 508J CENTURYLINK COMMUNICATIONS, LLC 226      
717-971 A Shellsville PA 508J CENTURYLINK COMMUNICATIONS, LLC 226      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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