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.

Switch: FRSOCAYM4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-203 A Clovis CA 6529 T-MOBILE USA, INC. 728   2011-02-10   
559-300 A Visalia CA 6529 T-MOBILE USA, INC. 728      
559-305 A Reedley CA 6529 T-MOBILE USA, INC. 728      
559-309 A Hanford CA 6529 T-MOBILE USA, INC. 728      
559-350 A Porterville CA 6529 T-MOBILE USA, INC. 728      
559-363 A Madera CA 6529 T-MOBILE USA, INC. 728      
559-709 A Fresno CA 6529 T-MOBILE USA, INC. 728      
559-776 A Fresno CA 6529 T-MOBILE USA, INC. 728   2005-04-04   
559-813 A Fowler CA 6529 T-MOBILE USA, INC. 728      
559-940 A Clovis CA 6529 T-MOBILE USA, INC. 728      
559-942 A Caruthers CA 6529 T-MOBILE USA, INC. 728      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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