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: 286

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-286 A Chula Vista CA SNDGCA0253Z  197D VONAGE AMERICA LLC 732      
858-286 0 Chula Vista CA   197D VONAGE AMERICA LLC 732   2019-01-17   
858-286 1 Chula Vista CA   197D VONAGE AMERICA LLC 732   2019-01-17   
858-286 2 Chula Vista CA   197D VONAGE AMERICA LLC 732   2019-02-02   
858-286 3 Chula Vista CA   197D VONAGE AMERICA LLC 732   2019-02-02   
858-286 4 Chula Vista CA   197D VONAGE AMERICA LLC 732   2019-02-02   
858-286 5 Chula Vista CA   197D VONAGE AMERICA LLC 732   2019-02-02   
858-286 6 Chula Vista CA   197D VONAGE AMERICA LLC 732   2019-02-02   
858-286 7 Chula Vista CA   6529 T-MOBILE USA, INC. 732   2019-06-07   
858-286 8 Chula Vista CA   6529 T-MOBILE USA, INC. 732   2019-04-14   
858-286 9 Chula Vista CA   6529 T-MOBILE USA, INC. 732   2019-02-03   

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

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