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: 559 [Rate centres in NPA 559] [Dial plan for NPA 559]

NXX: 876

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-876 A Sanger CA SNGRCAXF87A  4420 FRONTIER CALIFORNIA INC. 728      
559-876 0 Sanger CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-876 1 Sanger CA SNGRCAXF87A  4420 FRONTIER CALIFORNIA INC. 728      
559-876 2 Sanger CA SNGRCAXF87A  4420 FRONTIER CALIFORNIA INC. 728      
559-876 3 Sanger CA SNGRCAXF87A  4420 FRONTIER CALIFORNIA INC. 728      
559-876 4 Sanger CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728      
559-876 5 Sanger CA FRSNCA0112Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 728      
559-876 6 Sanger CA SNGRCAXF87A  4420 FRONTIER CALIFORNIA INC. 728      
559-876 7 Sanger CA   145J TERRA NOVA TELECOM INC. 728      
559-876 8 Sanger CA FRSNCA01XMZ  073H TELNYX LLC 728      
559-876 9 Sanger CA   649C ONVOY, LLC - CA 728      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.