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]

Block: A

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
738-200 A Los Angeles: DA 10 CA   6529 T-MOBILE USA, INC. 730   2025-12-21   
738-201 A Los Angeles: DA 07 CA   649C ONVOY, LLC - CA 730   2025-12-26   
738-333 A Montebello CA   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-777 A Los Angeles: DA 01 CA   252F WIDE VOICE, LLC - CA 730   2025-11-17   
738-888 A Los Angeles: DA 06 CA   252F WIDE VOICE, LLC - CA 730   2025-11-03   
738-999 A Los Angeles: DA 04 CA   252F WIDE VOICE, LLC - CA 730   2025-11-21   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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