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: HRBGPAHA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
223-234 9 Harrisburg City Zone-1 PA 784E BLOCK LINE SYSTEMS, LLC - PA 226   2024-03-23   
717-205 4 Lancaster PA 784E BLOCK LINE SYSTEMS, LLC - PA 226   2011-08-08   
717-219 6 Shellsville PA 784E BLOCK LINE SYSTEMS, LLC - PA 226   2013-11-17   
717-306 3 Lebanon PA 784E BLOCK LINE SYSTEMS, LLC - PA 226   2019-09-07   
717-455 6 Strasburg PA 784E BLOCK LINE SYSTEMS, LLC - PA 226   2013-11-17   
717-686 A Harrisburg City Zone-1 PA 784E BLOCK LINE SYSTEMS, LLC - PA 226      
717-686 4 Harrisburg City Zone-1 PA 784E BLOCK LINE SYSTEMS, LLC - PA 226   2010-12-15   
717-819 4 York PA 784E BLOCK LINE SYSTEMS, LLC - PA 226   2011-08-08   
717-914 6 Harrisburg City Zone-2 PA 784E BLOCK LINE SYSTEMS, LLC - PA 226   2011-08-08   
717-930 6 Middletown (Dauphin) PA 784E BLOCK LINE SYSTEMS, LLC - PA 226   2011-08-08   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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