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: LONDOH85DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
740-845 A London OH 9321 OHIO BELL TEL CO 324      
740-845 0 London OH 9321 OHIO BELL TEL CO 324      
740-845 1 London OH 9321 OHIO BELL TEL CO 324      
740-845 2 London OH 9321 OHIO BELL TEL CO 324      
740-845 3 London OH 9321 OHIO BELL TEL CO 324      
740-845 5 London OH 9321 OHIO BELL TEL CO 324      
740-845 6 London OH 9321 OHIO BELL TEL CO 324      
740-845 7 London OH 9321 OHIO BELL TEL CO 324      
740-852 A London OH 9321 OHIO BELL TEL CO 324      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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