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: LSANCA02DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
213-519 A Los Angeles: DA 07 CA 7421 AT&T LOCAL 730      
213-797 A Los Angeles: DA 01 CA 7421 AT&T LOCAL 730      
213-884 A Los Angeles: DA 10 CA 7421 AT&T LOCAL 730      
310-598 A Beverly Hills CA 7421 AT&T LOCAL 730      
626-755 A Pasadena: Pasadena DA CA 7421 AT&T LOCAL 730      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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