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: PITBPAOKXLX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
878-280 4 Fayette City PA 939H COMMIO, LLC 234   2023-11-04   
878-288 0 Bolivar PA 939H COMMIO, LLC 234   2023-09-29   
878-288 1 Bolivar PA 939H COMMIO, LLC 234   2023-09-29   
878-288 7 Bolivar PA 939H COMMIO, LLC 234   2023-09-29   
878-288 8 Bolivar PA 939H COMMIO, LLC 234   2023-09-29   
878-288 9 Bolivar PA 939H COMMIO, LLC 234   2023-09-29   
878-670 A Pittsburgh Zone 1 PA 939H COMMIO, LLC 234      
878-670 0 Pittsburgh Zone 1 PA 939H COMMIO, LLC 234   2017-06-30   
878-723 0 Pittsburgh Zone 3 PA 939H COMMIO, LLC 234   2022-09-25   
878-723 1 Pittsburgh Zone 3 PA 939H COMMIO, LLC 234   2022-09-25   
878-782 2 Hookstown PA 939H COMMIO, LLC 234   2023-09-29   
878-782 3 Hookstown PA 939H COMMIO, LLC 234   2023-09-29   
878-782 7 Hookstown PA 939H COMMIO, LLC 234   2023-09-29   
878-782 8 Hookstown PA 939H COMMIO, LLC 234   2023-09-29   
878-782 9 Hookstown PA 939H COMMIO, LLC 234   2023-09-29   
878-834 0 Pittsburgh Zone 8 PA 939H COMMIO, LLC 234   2022-09-25   
878-834 1 Pittsburgh Zone 8 PA 939H COMMIO, LLC 234   2022-09-25   
878-844 9 Indiana PA 939H COMMIO, LLC 234   2022-08-22   
878-895 0 Uniontown (Fayette) PA 939H COMMIO, LLC 234   2022-08-22   

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Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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