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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: ONTRCAXPXBY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-218 A Ontario CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
909-256 A Upland CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
909-453 A San Bernardino CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
909-571 A San Bernardino CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
951-208 A Moreno CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
951-225 A Temecula CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
951-379 A Moreno CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
951-399 A Elsinore CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
951-412 A Murrieta CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
951-419 A Moreno CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
951-524 A Banning CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
951-563 A Moreno CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
951-923 A Hemet: Homeland DA CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
951-981 A Lakeview-Nuevo CA 576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      

Last updated: Mon, 24 May 2021 01:28:43 UTC

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