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: SNLDCAXF35K

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
818-352 A Sunland-Tujunga CA 2319 FRONTIER CALIFORNIA INC. 730      
818-353 A Sunland-Tujunga CA 2319 FRONTIER CALIFORNIA INC. 730      
818-446 A Sunland-Tujunga CA 2319 FRONTIER CALIFORNIA INC. 730      
818-446 0 Sunland-Tujunga CA 2319 FRONTIER CALIFORNIA INC. 730      
818-951 A Sunland-Tujunga CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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