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: PHLAPAMK17Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
215-391 A Philadelphia Zone 1 PA 784E BLOCK LINE SYSTEMS, LLC PA 228      
215-890 A Philadelphia Zone 1 PA 784E BLOCK LINE SYSTEMS, LLC PA 228      
302-232 A Bridgeville DE 783E BLOCK LINE SYSTEMS, LLC DE 228      
484-378 A Coatesville PA 784E BLOCK LINE SYSTEMS, LLC PA 228      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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