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: CLMBOH1155Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
614-201 A Columbus OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      
614-250 A Columbus OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      
614-510 A Dublin OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      
614-513 A Canal Winchester OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      
614-518 A Columbus OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      
614-520 A Columbus OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      
614-521 A Columbus OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      
614-731 A Columbus OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      
614-770 A Columbus OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      
740-734 A Lancaster OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      
740-902 A Coshocton OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      
740-906 A New Lexington OH 9748 AMERICAN MESSAGING SERVICES, LLC 324      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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