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: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
738-333 A Montebello CA   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 0 Montebello CA   649C ONVOY, LLC - CA 730   2025-12-01   
738-333 1 Montebello CA   649C ONVOY, LLC - CA 730   2025-12-01   
738-333 3 Montebello CA   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 4 Montebello CA   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 5 Montebello CA   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 6 Montebello CA   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 7 Montebello CA   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 8 Montebello CA   252F WIDE VOICE, LLC - CA 730   2025-11-30   

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

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