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: SCRMCA0133Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
279-276 A Courtland CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726   2025-01-06   
279-281 A Meadowview CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726   2025-01-16   
279-282 A Elk Grove CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726   2025-02-01   
530-393 A Williams CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726      
916-398 A Walnut Grove CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726      
916-430 A Elk Grove CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726      
916-479 A Elk Grove CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726      
916-602 A Elk Grove CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726      
916-690 A Elk Grove CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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