Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 562 [Rate centres in NPA 562] [Dial plan for NPA 562]

NXX: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
562-401 A Downey CA DWNYCAXG80G  2319 FRONTIER CALIFORNIA INC. 730      
562-401 0 Downey CA   2319 FRONTIER CALIFORNIA INC. 730      
562-401 1 Downey CA   2319 FRONTIER CALIFORNIA INC. 730      
562-401 2 Downey CA   2319 FRONTIER CALIFORNIA INC. 730      
562-401 3 Downey CA   6529 T-MOBILE USA, INC. 730   2016-04-06   
562-401 4 Downey CA   2319 FRONTIER CALIFORNIA INC. 730      
562-401 5 Downey CA   2319 FRONTIER CALIFORNIA INC. 730      
562-401 6 Downey CA   2319 FRONTIER CALIFORNIA INC. 730      
562-401 7 Downey CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
562-401 8 Downey CA   2319 FRONTIER CALIFORNIA INC. 730      
562-401 9 Downey CA   2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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