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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Switch: BRFDOH44RS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
330-448 A Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      
330-448 0 Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      
330-448 1 Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      
330-448 2 Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      
330-448 3 Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      
330-448 4 Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      
330-448 6 Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      
330-448 7 Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      
330-448 8 Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      
330-448 9 Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      
330-969 A Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      
330-969 0 Sharon (Trumbull) OH 9321 OHIO BELL TEL CO 322      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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