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: HLSTPAXHRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
570-879 A Hallstead PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-879 0 Hallstead PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-879 2 Hallstead PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-879 4 Hallstead PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-879 5 Hallstead PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-879 6 Hallstead PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-879 8 Hallstead PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-879 9 Hallstead PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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