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: PITBPAYT1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-248 A Pittsburgh Suburban Zone 14 PA 7820 FULL SERVICE NETWORK LP 234      
412-745 A Pittsburgh Zone 1 PA 7820 FULL SERVICE NETWORK LP 234      
412-775 A Pittsburgh Zone 3 PA 7820 FULL SERVICE NETWORK LP 234      
412-775 4 Pittsburgh Zone 3 PA 7820 FULL SERVICE NETWORK LP 234   2021-06-24   
412-775 6 Pittsburgh Zone 3 PA 7820 FULL SERVICE NETWORK LP 234   2021-06-24   
412-775 9 Pittsburgh Zone 3 PA 7820 FULL SERVICE NETWORK LP 234   2018-12-27   
878-229 7 Washington PA 7820 FULL SERVICE NETWORK LP 234   2020-04-04   
878-229 8 Washington PA 7820 FULL SERVICE NETWORK LP 234   2020-04-04   
878-229 9 Washington PA 7820 FULL SERVICE NETWORK LP 234   2020-04-04   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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