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: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-599 A National City CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-599 0 National City CA   073H TELNYX LLC 732   2020-11-23   
858-599 1 National City CA   5562 METROPCS, INC. 732   2021-01-03   
858-599 2 National City CA   5562 METROPCS, INC. 732   2021-01-03   
858-599 3 National City CA   6529 T-MOBILE USA, INC. 732   2021-03-04   
858-599 4 National City CA   6529 T-MOBILE USA, INC. 732   2021-03-04   
858-599 5 National City CA   6529 T-MOBILE USA, INC. 732   2021-03-04   
858-599 6 National City CA   6529 T-MOBILE USA, INC. 732   2021-03-04   
858-599 7 National City CA   6529 T-MOBILE USA, INC. 732   2021-02-21   
858-599 8 National City CA   6529 T-MOBILE USA, INC. 732   2021-02-21   
858-599 9 National City CA   965H FRACTEL, LLC 732   2020-09-10   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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