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.
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Transfer, PA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
724-646 A TRNSPAXTDS0  0200 PYMATUNING INDEPENDENT TEL. CO. 234      
724-985 A   793K TWC IP ENABLED SERVICES, LLC 234   2025-04-15   
724-985 2   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-15   
724-985 3   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-15   
724-985 4   793K TWC IP ENABLED SERVICES, LLC 234   2008-02-22   
724-985 5   145J TERRA NOVA TELECOM INC. 234   2025-08-02   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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