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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
610-302 A Boyertown PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-493 A Oley PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-575 A Birdsboro PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-702 A Bally PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-875 A Green Hills PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-899 A Topton PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-901 A Morgantown PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-919 A Yellow House PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      
610-953 A Douglassville PA 8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 228      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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