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: WSCRCAAHPS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
916-943 1 Rio Linda CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 726      
916-979 6 Sacramento: North DA CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 726   2005-08-31   
916-993 A Sacramento: North DA CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 726      
916-993 1 Sacramento: North DA CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 726   2008-07-11   
916-993 2 Sacramento: North DA CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 726   2008-07-11   
916-993 7 Sacramento: North DA CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 726   2008-07-12   

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Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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