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
610-472 2 Philadelphia Suburban Zone 17 PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2022-02-07   
610-472 3 Philadelphia Suburban Zone 17 PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2022-02-07   
610-472 4 Philadelphia Suburban Zone 17 PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2022-02-07   
610-472 5 Philadelphia Suburban Zone 17 PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2022-02-07   
610-472 6 Philadelphia Suburban Zone 17 PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2022-02-07   
610-536 2 Philadelphia Suburban Zone 21 PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2004-02-26   
610-571 7 Bath PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2015-01-19   
610-707 6 Philadelphia Suburban Zone 22 PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2016-06-27   
610-870 6 Philadelphia Suburban Zone 14 PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2021-08-23   
610-881 7 Pen Argyl PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2016-03-21   
610-979 6 Atglen PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2016-03-21   
835-214 A Northampton PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
835-214 6 Northampton PA 7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2023-04-02   

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

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