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: 213 [Rate centres in NPA 213] [Dial plan for NPA 213]

NXX: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
213-579 A Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
213-579 0 Los Angeles: DA 03 CA SPFDILMBWMD  073H TELNYX LLC 730      
213-579 1 Los Angeles: DA 03 CA LSANCAJW7MD  939H COMMIO, LLC 730      
213-579 2 Los Angeles: DA 03 CA   624H ONVOY SPECTRUM, LLC 730      
213-579 3 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
213-579 4 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
213-579 5 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
213-579 6 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
213-579 7 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
213-579 8 Los Angeles: DA 03 CA LSANCAJW7MD  939H COMMIO, LLC 730      
213-579 9 Los Angeles: DA 03 CA   624H ONVOY SPECTRUM, LLC 730      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.