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: 823

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
562-823 A Whittier CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-10-03   
562-823 1 Whittier CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2026-03-14   
562-823 3 Whittier CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-06-10   
562-823 4 Whittier CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2026-07-20   
562-823 5 Whittier CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2026-07-20   
562-823 7 Whittier CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2026-07-20   
562-823 8 Whittier CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2026-05-16   
562-823 9 Whittier CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-10-03   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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