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: SCRMCA01GT1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
916-990 3 Folsom CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726   2008-01-08   
916-990 4 Folsom CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726   2005-12-05   
916-990 5 Folsom CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726   2005-12-05   
916-990 8 Folsom CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726   2006-11-04   
916-992 3 Rio Linda CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726   2007-10-20   
916-992 4 Rio Linda CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726   2009-07-03   
916-996 A Sacramento: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 726      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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