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
559-228 A Fresno CA FRSNCA11DS0  9740 PACIFIC BELL 728      
559-228 0 Fresno CA   9740 PACIFIC BELL 728      
559-228 1 Fresno CA   9740 PACIFIC BELL 728      
559-228 2 Fresno CA   9740 PACIFIC BELL 728      
559-228 3 Fresno CA   9740 PACIFIC BELL 728      
559-228 4 Fresno CA   9740 PACIFIC BELL 728      
559-228 5 Fresno CA   9740 PACIFIC BELL 728      
559-228 6 Fresno CA   9740 PACIFIC BELL 728      
559-228 7 Fresno CA   9740 PACIFIC BELL 728      
559-228 8 Fresno CA   9740 PACIFIC BELL 728      
559-228 9 Fresno CA   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 728   2012-12-11   

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.