Local Calling Guide

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

NXX: 668

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-668 A Poway CA POWYCA11DS0  9740 PACIFIC BELL 732      
858-668 0 Poway CA   9740 PACIFIC BELL 732      
858-668 1 Poway CA   9740 PACIFIC BELL 732      
858-668 2 Poway CA   9740 PACIFIC BELL 732      
858-668 3 Poway CA   9740 PACIFIC BELL 732      
858-668 4 Poway CA   9740 PACIFIC BELL 732      
858-668 5 Poway CA   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2004-01-23   
858-668 6 Poway CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2006-09-25   
858-668 7 Poway CA   516C AT&T CORP. 732   2008-03-28   
858-668 8 Poway CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2008-06-01   
858-668 9 Poway CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2013-05-11   

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

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