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: HRBGPAHAX9X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
717-207 1 Lancaster PA 7421 AT&T - LOCAL 226   2011-04-21   
717-412 A Harrisburg City Zone-1 PA 7421 AT&T - LOCAL 226      
717-412 9 Harrisburg City Zone-1 PA 7421 AT&T - LOCAL 226      
717-635 3 Harrisburg City Zone-1 PA 7421 AT&T - LOCAL 226   2007-11-09   
717-635 4 Harrisburg City Zone-1 PA 7421 AT&T - LOCAL 226   2009-04-06   
717-676 4 York PA 7421 AT&T - LOCAL 226   2003-01-12   
717-695 5 Harrisburg City Zone-1 PA 7421 AT&T - LOCAL 226   2007-01-11   
717-777 2 Harrisburg City Zone-1 PA 7421 AT&T - LOCAL 226      
717-995 A Hershey PA 7421 AT&T - LOCAL 226      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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