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: 571

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
562-571 A Downey CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-571 0 Downey CA LNBHCAXPXAY  624H ONVOY SPECTRUM, LLC 730      
562-571 1 Downey CA LSANCAJW7MD  939H COMMIO, LLC 730      
562-571 2 Downey CA LSANCAJW7MD  939H COMMIO, LLC 730      
562-571 3 Downey CA LSANCAJW7MD  939H COMMIO, LLC 730      
562-571 4 Downey CA LSANCAJW7MD  939H COMMIO, LLC 730      
562-571 5 Downey CA LSANCAJW7MD  939H COMMIO, LLC 730      
562-571 6 Downey CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-571 7 Downey CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-571 8 Downey CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-571 9 Downey CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.