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.

OCN: 078H MOSAIC NETWORX LLC - PA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
267-606 A Philadelphia Zone 1 PA   228      
267-606 1 Philadelphia Zone 1 PA   228   2014-03-27   
267-606 2 Philadelphia Zone 1 PA   228   2014-03-27   
267-881 A Philadelphia Zone 2 PA   228      
267-881 0 Philadelphia Zone 2 PA   228   2015-09-18   
412-314 A Pittsburgh Suburban Zone 10 PA   234      
412-314 0 Pittsburgh Suburban Zone 10 PA   234   2015-09-18   
412-789 A Pittsburgh Zone 1 PA   234      
412-789 1 Pittsburgh Zone 1 PA   234   2014-03-27   
412-789 2 Pittsburgh Zone 1 PA   234   2014-03-27   
717-980 A Harrisburg City Zone-1 PA   226      
717-980 0 Harrisburg City Zone-1 PA   226   2015-09-18   
814-731 A Erie PA   924      
814-731 0 Erie PA   924   2015-09-18   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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