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: WLANCAXG47G

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-234 A West Los Angeles CA 2319 FRONTIER CALIFORNIA INC. 730      
310-441 A West Los Angeles CA 2319 FRONTIER CALIFORNIA INC. 730      
310-446 A West Los Angeles CA 2319 FRONTIER CALIFORNIA INC. 730      
310-470 A West Los Angeles CA 2319 FRONTIER CALIFORNIA INC. 730      
310-474 A West Los Angeles CA 2319 FRONTIER CALIFORNIA INC. 730      
310-475 A West Los Angeles CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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