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: LSANCAKVDS4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
213-825 A Los Angeles: DA 01 CA 0051 SHELCOMM 730      
310-690 A West Los Angeles CA 0051 SHELCOMM 730      
323-554 A Los Angeles: DA 06 CA 0051 SHELCOMM 730      
562-648 A Lakewood CA 0051 SHELCOMM 730      
626-276 A Covina-Baldwin Park CA 0051 SHELCOMM 730      
661-442 A Santa Clarita: Newhall-Castaic DA CA 0051 SHELCOMM 730   2004-10-08   
714-857 A Westminster CA 0051 SHELCOMM 730      
760-982 A Victorville: Hesperia DA CA 0051 SHELCOMM 730   2004-10-08   
805-337 A Camarillo CA 0051 SHELCOMM 730   2004-10-08   
818-910 A San Fernando: Granada Hills DA CA 0051 SHELCOMM 730      
909-669 A Ontario CA 0051 SHELCOMM 730      
949-314 A Laguna Beach CA 0051 SHELCOMM 730      
951-619 A Arlington CA 0051 SHELCOMM 730   2004-10-08   

Last updated: Sun, 31 May 2020 11:59:01 UTC

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