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: 214

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-214 A La Jolla CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732      
858-214 0 La Jolla CA   6529 T-MOBILE USA, INC. 732   2018-10-29   
858-214 1 La Jolla CA   073H TELNYX LLC 732   2019-10-02   
858-214 2 La Jolla CA   318J COMCAST IP PHONE, LLC 732   2018-01-22   
858-214 3 La Jolla CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2019-07-07   
858-214 4 La Jolla CA   6529 T-MOBILE USA, INC. 732   2018-05-31   
858-214 5 La Jolla CA   6529 T-MOBILE USA, INC. 732   2020-12-04   
858-214 6 La Jolla CA   6529 T-MOBILE USA, INC. 732   2020-12-04   
858-214 7 La Jolla CA   6529 T-MOBILE USA, INC. 732   2018-04-13   
858-214 8 La Jolla CA   6529 T-MOBILE USA, INC. 732   2018-02-23   
858-214 9 La Jolla CA   6529 T-MOBILE USA, INC. 732   2018-01-21   

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

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