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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
302-419 A New Castle DE 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
302-439 A Holly Oak DE 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
445-224 A Lansdale PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
445-258 A Newtown PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
445-268 A Newtown PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
484-290 A New Smithville PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
484-774 A Philadelphia Suburban Zone 30 PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
484-781 A Allentown (Lehigh) PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
610-401 A Reading PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
610-472 A Philadelphia Suburban Zone 17 PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
835-214 A Northampton PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      

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

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