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: 9262 UTILITY TELECOM GROUP, LLC - CA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
951-744 7 Hemet: Anza DA CA   730   2006-05-25   
951-767 6 Hemet: Sage DA CA   730   2006-05-25   
951-790 4 Mira Loma CA   730   2006-06-23   
951-824 3 Riverside CA   730   2006-05-25   
951-846 4 Banning CA   730   2006-05-25   
951-848 8 Riverside CA   730      
951-928 7 Lakeview-Nuevo CA   730   2006-05-25   
951-963 8 Corona CA   730      

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

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