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: 209

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-209 A Del Mar CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732      
858-209 0 Del Mar CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2017-07-27   
858-209 1 Del Mar CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2017-10-17   
858-209 2 Del Mar CA   318J COMCAST IP PHONE, LLC 732   2017-10-22   
858-209 3 Del Mar CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2017-12-20   
858-209 4 Del Mar CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2018-05-30   
858-209 5 Del Mar CA   6529 T-MOBILE USA, INC. 732   2018-05-05   
858-209 6 Del Mar CA   6529 T-MOBILE USA, INC. 732   2017-12-16   
858-209 7 Del Mar CA   6529 T-MOBILE USA, INC. 732   2017-12-16   
858-209 8 Del Mar CA   6529 T-MOBILE USA, INC. 732   2017-10-23   
858-209 9 Del Mar CA   6529 T-MOBILE USA, INC. 732   2017-07-22   

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

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