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: YNTWOHHD0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
234-428 A Newton Falls OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322      
330-272 A Youngstown OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322      
330-303 A East Liverpool OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322      
330-423 A Youngstown OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322      
330-787 A Youngstown OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322      
330-964 A Lisbon (Columbiana) OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322      
330-974 A Warren OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322      
330-984 A Warren OH 4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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