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: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-599 A Clovis CA FRSNCA01XYZ  965H FRACTEL, LLC 728      
559-599 0 Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-07-22   
559-599 1 Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-07-22   
559-599 2 Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-07-22   
559-599 3 Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-07-22   
559-599 4 Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-08-13   
559-599 5 Clovis CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2021-04-21   
559-599 6 Clovis CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2021-04-21   
559-599 7 Clovis CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2021-04-21   
559-599 8 Clovis CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2021-04-21   
559-599 9 Clovis CA FRSNCA01XYZ  965H FRACTEL, LLC 728   2020-09-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.