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: PERSCAXF65X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
951-238 3 Perris CA 2319 FRONTIER CALIFORNIA INC. 730   2008-02-10   
951-443 A Perris CA 2319 FRONTIER CALIFORNIA INC. 730      
951-443 0 Perris CA 2319 FRONTIER CALIFORNIA INC. 730      
951-443 1 Perris CA 2319 FRONTIER CALIFORNIA INC. 730      
951-443 2 Perris CA 2319 FRONTIER CALIFORNIA INC. 730      
951-443 3 Perris CA 2319 FRONTIER CALIFORNIA INC. 730      
951-443 4 Perris CA 2319 FRONTIER CALIFORNIA INC. 730      
951-490 4 Perris CA 2319 FRONTIER CALIFORNIA INC. 730   2005-06-10   
951-657 A Perris CA 2319 FRONTIER CALIFORNIA INC. 730      
951-928 A Lakeview-Nuevo CA 2319 FRONTIER CALIFORNIA INC. 730      
951-928 0 Lakeview-Nuevo CA 2319 FRONTIER CALIFORNIA INC. 730      
951-928 1 Lakeview-Nuevo CA 2319 FRONTIER CALIFORNIA INC. 730      
951-928 2 Lakeview-Nuevo CA 2319 FRONTIER CALIFORNIA INC. 730      
951-928 3 Lakeview-Nuevo CA 2319 FRONTIER CALIFORNIA INC. 730      
951-928 4 Lakeview-Nuevo CA 2319 FRONTIER CALIFORNIA INC. 730      
951-928 5 Lakeview-Nuevo CA 2319 FRONTIER CALIFORNIA INC. 730      
951-928 6 Lakeview-Nuevo CA 2319 FRONTIER CALIFORNIA INC. 730      
951-928 8 Lakeview-Nuevo CA 2319 FRONTIER CALIFORNIA INC. 730      
951-928 9 Lakeview-Nuevo CA 2319 FRONTIER CALIFORNIA INC. 730      
951-940 A Perris CA 2319 FRONTIER CALIFORNIA INC. 730      
951-943 A Perris CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Sun, 17 May 2026 03:26:51 UTC

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