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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
562-278 A Norwalk CA LSANCARC5KD  7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
562-278 0 Norwalk CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
562-278 1 Norwalk CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-12-28   
562-278 2 Norwalk CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-07-25   
562-278 3 Norwalk CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
562-278 4 Norwalk CA   899D METROPCS NETWORKS, LLC 730   2007-06-16   
562-278 5 Norwalk CA   899D METROPCS NETWORKS, LLC 730   2007-06-16   
562-278 6 Norwalk CA   6529 T-MOBILE USA, INC. 730   2005-09-09   
562-278 7 Norwalk CA   6529 T-MOBILE USA, INC. 730   2017-04-06   
562-278 8 Norwalk CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
562-278 9 Norwalk CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      

Last updated: Sun, 29 Sep 2019 14:17:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.