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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
738-300 A Los Angeles: DA 06 CA LSANCAJWZMD  824J OPENTACT INC. 730   2026-07-26   
738-300 0 Los Angeles: DA 06 CA LSANCAJWZMD  824J OPENTACT INC. 730   2026-07-26   
738-300 1 Los Angeles: DA 06 CA   649C ONVOY, LLC - CA 730   2026-09-12   
738-300 3 Los Angeles: DA 06 CA   114J EXIANT COMMUNICATIONS LLC 730   2026-09-04   
738-300 8 Los Angeles: DA 06 CA   649C ONVOY, LLC - CA 730   2026-08-30   
738-300 9 Los Angeles: DA 06 CA   649C ONVOY, LLC - CA 730   2026-08-30   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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