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: FRSNCAPMGT0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-906 A Fresno CA 6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-915 A Madera CA 6010 NEW CINGULAR WIRELESS PCS, LLC 728   2024-10-18   
559-916 A Fresno CA 6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-917 A Fresno CA 6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-918 A Fresno CA 6010 NEW CINGULAR WIRELESS PCS, LLC 728   2024-11-08   
559-930 A Fresno CA 6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-932 A Visalia CA 6010 NEW CINGULAR WIRELESS PCS, LLC 728   2025-02-23   
559-936 A Visalia CA 6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-975 A Madera CA 6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-991 A Tulare CA 6010 NEW CINGULAR WIRELESS PCS, LLC 728      

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

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