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: 548

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-548 A Fresno CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728      
559-548 0 Fresno CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2015-07-14   
559-548 1 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2016-05-20   
559-548 2 Fresno CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2015-07-13   
559-548 3 Fresno CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2015-07-13   
559-548 4 Fresno CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2015-07-13   
559-548 5 Fresno CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2015-07-13   
559-548 6 Fresno CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2015-07-13   
559-548 7 Fresno CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2015-07-13   
559-548 8 Fresno CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2015-07-13   
559-548 9 Fresno CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2015-07-13   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.