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: LNCSPALASMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
717-358 A Lancaster PA 7513 CTSI, INC. - PA 226      
717-358 0 Lancaster PA 7513 CTSI, INC. - PA 226      
717-358 1 Lancaster PA 7513 CTSI, INC. - PA 226      
717-358 2 Lancaster PA 7513 CTSI, INC. - PA 226      
717-358 3 Lancaster PA 7513 CTSI, INC. - PA 226      
717-358 4 Lancaster PA 7513 CTSI, INC. - PA 226      
717-358 5 Lancaster PA 7513 CTSI, INC. - PA 226      
717-358 6 Lancaster PA 7513 CTSI, INC. - PA 226      
717-358 7 Lancaster PA 7513 CTSI, INC. - PA 226      
717-358 9 Lancaster PA 7513 CTSI, INC. - PA 226   2002-06-08   
717-381 2 Lancaster PA 7513 CTSI, INC. - PA 226   2002-06-08   
717-381 3 Lancaster PA 7513 CTSI, INC. - PA 226   2002-06-08   
717-381 4 Lancaster PA 7513 CTSI, INC. - PA 226   2002-06-08   
717-509 A Lancaster PA 7513 CTSI, INC. - PA 226      
717-663 A Lancaster PA 7513 CTSI, INC. - PA 226      
717-663 3 Lancaster PA 7513 CTSI, INC. - PA 226   2016-09-18   
717-663 4 Lancaster PA 7513 CTSI, INC. - PA 226   2016-09-18   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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