Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 738 [Rate centres in NPA 738] [Dial plan for NPA 738]

NXX: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
738-600 A Los Angeles: DA 02 CA   649C ONVOY, LLC - CA 730   2026-12-06   
738-600 0 Los Angeles: DA 02 CA   649C ONVOY, LLC - CA 730   2026-12-06   
738-600 6 Los Angeles: DA 02 CA   649C ONVOY, LLC - CA 730   2026-12-06   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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