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: 200

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   
738-200 0 Los Angeles: DA 10 CA   145J TERRA NOVA TELECOM INC. 730   2025-12-22   
738-200 8 Los Angeles: DA 10 CA   6529 T-MOBILE USA, INC. 730   2025-12-21   
738-200 9 Los Angeles: DA 10 CA   6529 T-MOBILE USA, INC. 730   2025-12-21   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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