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: 956

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-956 A Poway CA SNDGCA023KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 732      
858-956 0 Poway CA   981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-956 1 Poway CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-956 2 Poway CA   981E BANDWIDTH.COM CLEC, LLC - CA 732   2004-07-16   
858-956 3 Poway CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2005-07-22   
858-956 4 Poway CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2011-08-25   
858-956 5 Poway CA   981E BANDWIDTH.COM CLEC, LLC - CA 732   2012-09-07   
858-956 6 Poway CA   6529 T-MOBILE USA, INC. 732   2021-04-17   
858-956 7 Poway CA   649C ONVOY, LLC - CA 732   2019-09-13   
858-956 8 Poway CA   649C ONVOY, LLC - CA 732   2013-09-22   
858-956 9 Poway CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2011-10-31   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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