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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OCN: 7692 AT&T CORP. - NV

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
775-494 A Empire NV RENONV03X3X  720      
775-494 9 Empire NV RENONV03X3X  720   2022-06-15   
775-671 A Carson City NV RENONV036MD  720      
775-671 9 Carson City NV RENONV036MD  720      

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

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