Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Montebello, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
738-333 A   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 0   649C ONVOY, LLC - CA 730   2025-12-01   
738-333 1   649C ONVOY, LLC - CA 730   2025-12-01   
738-333 2   649C ONVOY, LLC - CA 730   2026-01-05   
738-333 3   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 4   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 5   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 6   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 7   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 8   252F WIDE VOICE, LLC - CA 730   2025-11-30   
738-333 9   649C ONVOY, LLC - CA 730   2026-01-05   
738-666 A   649C ONVOY, LLC - CA 730   2026-02-17   
738-666 0   649C ONVOY, LLC - CA 730   2026-02-17   
738-666 1   649C ONVOY, LLC - CA 730   2026-02-20   
738-666 2   649C ONVOY, LLC - CA 730   2026-03-26   
738-666 3   649C ONVOY, LLC - CA 730   2026-03-26   
738-666 6   649C ONVOY, LLC - CA 730   2026-02-17   
738-666 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-05-22   
738-666 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-04-23   
738-666 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-03-23   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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