Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 858 [Rate centres in NPA 858] [Dial plan for NPA 858]

NXX: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-403 A Poway CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2024-08-08   
858-403 8 Poway CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732      
858-403 9 Poway CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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