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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OCN: 835C WEST TELECOM SERVICES, LLC - PA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
215-372 A Philadelphia Zone 1 PA   228      
215-372 0 Philadelphia Zone 1 PA   228   2015-02-13   
215-372 9 Philadelphia Zone 1 PA   228   2015-02-13   
223-234 A Harrisburg City Zone-1 PA   226   2020-05-17   
223-234 0 Harrisburg City Zone-1 PA   226   2020-05-17   
223-234 1 Harrisburg City Zone-1 PA   226   2020-05-17   
223-234 8 Harrisburg City Zone-1 PA   226   2020-05-17   
223-234 9 Harrisburg City Zone-1 PA   226   2020-05-17   
267-541 1 Philadelphia Zone 1 PA   228   2017-09-30   
267-865 0 Philadelphia Zone 1 PA   228   2019-11-24   
267-865 1 Philadelphia Zone 1 PA   228   2019-11-24   
267-865 7 Philadelphia Zone 1 PA   228   2019-11-24   
267-865 8 Philadelphia Zone 1 PA   228   2019-11-24   
267-865 9 Philadelphia Zone 1 PA   228   2019-11-24   
412-752 A Pittsburgh Zone 1 PA   234   2020-05-17   
412-752 0 Pittsburgh Zone 1 PA   234   2020-05-17   
412-752 1 Pittsburgh Zone 1 PA   234   2020-05-17   
412-752 8 Pittsburgh Zone 1 PA   234   2020-05-17   
412-752 9 Pittsburgh Zone 1 PA   234   2020-05-17   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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