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
562-623 A Norwalk CA NRWLCAXGDS0  2319 FRONTIER CALIFORNIA INC. 730      
562-623 0 Norwalk CA   2319 FRONTIER CALIFORNIA INC. 730      
562-623 1 Norwalk CA   2319 FRONTIER CALIFORNIA INC. 730      
562-623 2 Norwalk CA   2319 FRONTIER CALIFORNIA INC. 730      
562-623 3 Norwalk CA   2319 FRONTIER CALIFORNIA INC. 730      
562-623 4 Norwalk CA   2319 FRONTIER CALIFORNIA INC. 730      
562-623 5 Norwalk CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-10-13   
562-623 6 Norwalk CA   2319 FRONTIER CALIFORNIA INC. 730      
562-623 7 Norwalk CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-06-25   
562-623 8 Norwalk CA   899D METROPCS NETWORKS, LLC 730   2010-09-27   
562-623 9 Norwalk CA   2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Sat, 09 Mar 2019 02:16:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.