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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-494 A Fresno CA FRSNCA01DS0  9740 PACIFIC BELL 728      
559-494 0 Fresno CA   9740 PACIFIC BELL 728      
559-494 1 Fresno CA   9740 PACIFIC BELL 728      
559-494 3 Fresno CA   9740 PACIFIC BELL 728      
559-494 4 Fresno CA   981E BANDWIDTH.COM CLEC, LLC - CA 728   2011-09-21   
559-494 5 Fresno CA   9740 PACIFIC BELL 728      
559-494 6 Fresno CA   9740 PACIFIC BELL 728      
559-494 7 Fresno CA   9740 PACIFIC BELL 728      
559-494 8 Fresno CA   9740 PACIFIC BELL 728      
559-494 9 Fresno CA   9740 PACIFIC BELL 728      

Last updated: Fri, 17 May 2019 00:49:52 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.