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.

NPA: 562 [Rate centres in NPA 562] [Dial plan for NPA 562]

NXX: 741

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
562-741 A Norwalk CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
562-741 0 Norwalk CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
562-741 1 Norwalk CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
562-741 2 Norwalk CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
562-741 3 Norwalk CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-02-11   
562-741 4 Norwalk CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
562-741 5 Norwalk CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-02-11   
562-741 6 Norwalk CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2007-12-03   
562-741 7 Norwalk CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-11-05   
562-741 8 Norwalk CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-04-15   
562-741 9 Norwalk CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-28   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.