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: 574

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
562-574 A Norwalk CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-574 0 Norwalk CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-574 1 Norwalk CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-574 2 Norwalk CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-574 3 Norwalk CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
562-574 4 Norwalk CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-574 5 Norwalk CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-574 6 Norwalk CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-574 7 Norwalk CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-574 8 Norwalk CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-574 9 Norwalk CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.