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: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-380 A Reseda CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2025-07-01   
747-380 6 Reseda CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2025-07-01   

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

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