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.
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Switch: FRSNCA0103Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-210 A San Joaquin CA 318J COMCAST IP PHONE, LLC 728      
559-254 A Parlier CA 318J COMCAST IP PHONE, LLC 728      
559-343 A Stratford CA 318J COMCAST IP PHONE, LLC 728      
559-366 A Tulare CA 318J COMCAST IP PHONE, LLC 728      
559-475 A Fresno CA 318J COMCAST IP PHONE, LLC 728      
559-743 A Reedley CA 318J COMCAST IP PHONE, LLC 728      
559-762 A Corcoran CA 318J COMCAST IP PHONE, LLC 728      
559-772 A Hanford CA 318J COMCAST IP PHONE, LLC 728      
559-780 A Corcoran CA 318J COMCAST IP PHONE, LLC 728      
559-810 A Caruthers CA 318J COMCAST IP PHONE, LLC 728      
559-840 A Fresno CA 318J COMCAST IP PHONE, LLC 728      
559-881 A Fresno CA 318J COMCAST IP PHONE, LLC 728      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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