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: GRVRNCMARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
704-937 A Grover NC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 422      
864-936 A Antioch SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 422      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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