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: 422

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-422 A Coronado CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-422 0 Coronado CA   649C ONVOY, LLC - CA 732   2022-05-01   
858-422 1 Coronado CA   649C ONVOY, LLC - CA 732   2022-05-01   
858-422 2 Coronado CA   965H FRACTEL, LLC 732   2021-11-25   
858-422 3 Coronado CA   649C ONVOY, LLC - CA 732   2021-11-26   
858-422 4 Coronado CA   649C ONVOY, LLC - CA 732   2021-11-26   
858-422 5 Coronado CA   073H TELNYX LLC 732   2024-11-08   
858-422 6 Coronado CA   981E BANDWIDTH.COM CLEC, LLC - CA 732   2022-09-03   
858-422 7 Coronado CA   6529 T-MOBILE USA, INC. 732   2021-12-11   
858-422 8 Coronado CA   6529 T-MOBILE USA, INC. 732   2021-12-11   
858-422 9 Coronado CA   6529 T-MOBILE USA, INC. 732   2021-12-11   

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

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