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: LNBHCAXJ2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
562-213 4 Lakewood CA 7421 AT&T LOCAL 730   2003-11-17   
562-240 6 Alamitos CA 7421 AT&T LOCAL 730   2002-10-22   
562-315 4 La Habra CA 7421 AT&T LOCAL 730   2004-04-30   
562-322 A Whittier CA 7421 AT&T LOCAL 730      
562-322 9 Whittier CA 7421 AT&T LOCAL 730      
562-405 A Norwalk CA 7421 AT&T LOCAL 730      
562-405 3 Norwalk CA 7421 AT&T LOCAL 730      
562-753 A Long Beach CA 7421 AT&T LOCAL 730      
562-753 0 Long Beach CA 7421 AT&T LOCAL 730      
562-753 2 Long Beach CA 7421 AT&T LOCAL 730      
562-753 9 Long Beach CA 7421 AT&T LOCAL 730      
714-653 7 Westminster CA 7421 AT&T LOCAL 730   2002-03-11   
714-907 A Huntington Beach CA 7421 AT&T LOCAL 730      
714-907 9 Huntington Beach CA 7421 AT&T LOCAL 730      
760-428 6 Ridgecrest CA 7421 AT&T LOCAL 730   2010-04-01   
760-475 5 Victorville: Victorville DA CA 7421 AT&T LOCAL 730   2002-09-17   
760-662 2 Victorville: Hesperia DA CA 7421 AT&T LOCAL 730   2003-02-08   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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