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: PITBPAOKXWX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
878-252 A Criders Corners PA 516J TON80 COMMUNICATIONS, LLC 234      
878-253 A Monessen PA 516J TON80 COMMUNICATIONS, LLC 234      
878-322 A Donora PA 516J TON80 COMMUNICATIONS, LLC 234      
878-335 A Lowellville PA 516J TON80 COMMUNICATIONS, LLC 234      
878-433 A Clairton PA 516J TON80 COMMUNICATIONS, LLC 234      
878-598 A Ambridge PA 516J TON80 COMMUNICATIONS, LLC 234      
878-599 A Pittsburgh Suburban Zone 14 PA 516J TON80 COMMUNICATIONS, LLC 234      
878-626 A Pittsburgh Zone 7 PA 516J TON80 COMMUNICATIONS, LLC 234      
878-673 A Derry PA 516J TON80 COMMUNICATIONS, LLC 234      
878-678 A Baden PA 3806 CORE COMMUNICATIONS, INC. - PA 234      
878-723 A Pittsburgh Zone 3 PA 516J TON80 COMMUNICATIONS, LLC 234      
878-732 A Pittsburgh Suburban Zone 19 PA 516J TON80 COMMUNICATIONS, LLC 234      
878-736 A Marchand PA 516J TON80 COMMUNICATIONS, LLC 234      
878-782 A Hookstown PA 516J TON80 COMMUNICATIONS, LLC 234      
878-783 A Avonmore PA 516J TON80 COMMUNICATIONS, LLC 234      
878-784 A East Palestine PA 516J TON80 COMMUNICATIONS, LLC 234      
878-786 A Greensburg PA 516J TON80 COMMUNICATIONS, LLC 234      
878-834 A Pittsburgh Zone 8 PA 516J TON80 COMMUNICATIONS, LLC 234      
878-837 A Bentleyville PA 3806 CORE COMMUNICATIONS, INC. - PA 234      
878-844 A Indiana PA 516J TON80 COMMUNICATIONS, LLC 234      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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