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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
738-999 1 Los Angeles: DA 04 CA   649C ONVOY, LLC - CA 730   2025-11-28   
738-999 2 Los Angeles: DA 04 CA   649C ONVOY, LLC - CA 730   2025-11-28   
738-999 3 Los Angeles: DA 04 CA   6529 T-MOBILE USA, INC. 730   2025-12-22   
738-999 4 Los Angeles: DA 04 CA   252F WIDE VOICE, LLC - CA 730   2025-11-21   
738-999 5 Los Angeles: DA 04 CA   252F WIDE VOICE, LLC - CA 730   2025-11-21   
738-999 7 Los Angeles: DA 04 CA   252F WIDE VOICE, LLC - CA 730   2025-11-21   
738-999 8 Los Angeles: DA 04 CA   252F WIDE VOICE, LLC - CA 730   2025-11-21   
738-999 9 Los Angeles: DA 04 CA   252F WIDE VOICE, LLC - CA 730   2025-11-21   

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

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