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: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
738-444 A Los Angeles: DA 12 CA   649C ONVOY, LLC - CA 730   2026-02-17   
738-444 0 Los Angeles: DA 12 CA   649C ONVOY, LLC - CA 730   2026-02-17   
738-444 1 Los Angeles: DA 12 CA   649C ONVOY, LLC - CA 730   2026-02-18   
738-444 2 Los Angeles: DA 12 CA   649C ONVOY, LLC - CA 730   2026-04-05   
738-444 3 Los Angeles: DA 12 CA   649C ONVOY, LLC - CA 730   2026-04-05   
738-444 4 Los Angeles: DA 12 CA   649C ONVOY, LLC - CA 730   2026-02-17   
738-444 8 Los Angeles: DA 12 CA   649C ONVOY, LLC - CA 730   2026-02-23   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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