Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 747 [Rate centres in NPA 747] [Dial plan for NPA 747]

NXX: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-391 A San Fernando: San Fernando DA CA   649C ONVOY, LLC - CA 730   2026-09-28   
747-391 0 San Fernando: San Fernando DA CA   649C ONVOY, LLC - CA 730   2026-09-28   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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