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: PITBPAOKBMD

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
878-250 7 Criders Corners PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2024-02-16   
878-256 A Pittsburgh Zone 1 PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
878-256 6 Pittsburgh Zone 1 PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2022-07-18   
878-256 7 Pittsburgh Zone 1 PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2022-07-19   
878-256 8 Pittsburgh Zone 1 PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2022-08-25   
878-261 2 Freeport PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2022-10-08   
878-266 0 Elderton PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2023-02-09   
878-332 6 Wexford PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2014-04-01   
878-599 4 Pittsburgh Suburban Zone 14 PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2021-09-20   
878-677 9 New Wilmington PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2023-01-08   
878-837 6 Bentleyville PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2021-02-22   

<< 1 2

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.