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: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
738-900 A Los Angeles: DA 05 CA   649C ONVOY, LLC - CA 730   2026-02-17   
738-900 0 Los Angeles: DA 05 CA   649C ONVOY, LLC - CA 730   2026-02-17   
738-900 9 Los Angeles: DA 05 CA   649C ONVOY, LLC - CA 730   2026-02-17   

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

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