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.

Switch: PITBPADGDS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-200 A Pittsburgh Suburban Zone 14 PA 7421 AT&T - LOCAL 234      
412-200 3 Pittsburgh Suburban Zone 14 PA 7421 AT&T - LOCAL 234      
412-200 4 Pittsburgh Suburban Zone 14 PA 7421 AT&T - LOCAL 234      
412-200 6 Pittsburgh Suburban Zone 14 PA 7421 AT&T - LOCAL 234      
412-200 9 Pittsburgh Suburban Zone 14 PA 7421 AT&T - LOCAL 234      
724-202 5 New Castle PA 7421 AT&T - LOCAL 234      
724-234 6 Butler PA 7421 AT&T - LOCAL 234      
724-308 4 Sharon PA 7421 AT&T - LOCAL 234      
724-462 2 Rochester PA 7421 AT&T - LOCAL 234      
724-924 3 Princeton PA 7421 AT&T - LOCAL 234      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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