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: ELRICAXFDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
805-278 A El Rio CA 2319 FRONTIER CALIFORNIA INC. 730      
805-485 A El Rio CA 2319 FRONTIER CALIFORNIA INC. 730      
805-604 A El Rio CA 2319 FRONTIER CALIFORNIA INC. 730      
805-981 A El Rio CA 2319 FRONTIER CALIFORNIA INC. 730      
805-983 A El Rio CA 2319 FRONTIER CALIFORNIA INC. 730      
805-988 A El Rio CA 2319 FRONTIER CALIFORNIA INC. 730      

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

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