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: SCRMCA0101Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-530 A Robbins CA 624H ONVOY SPECTRUM, LLC 726   2024-02-02   
530-980 A Woodland CA 624H ONVOY SPECTRUM, LLC 726   2024-02-02   
916-603 A Sacramento: Main DA CA 624H ONVOY SPECTRUM, LLC 726      
916-916 A Sacramento: Main DA CA 624H ONVOY SPECTRUM, LLC 726      
916-980 A Sacramento: Main DA CA 624H ONVOY SPECTRUM, LLC 726      

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

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