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: 844

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-844 A El Cajon CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-844 0 El Cajon CA SNDGCA0260Z  624H ONVOY SPECTRUM, LLC 732   2022-01-08   
858-844 1 El Cajon CA SNDGCA0260Z  624H ONVOY SPECTRUM, LLC 732   2022-01-08   
858-844 2 El Cajon CA SNDGCA0260Z  624H ONVOY SPECTRUM, LLC 732   2022-01-08   
858-844 3 El Cajon CA SNDGCA0260Z  624H ONVOY SPECTRUM, LLC 732   2022-01-08   
858-844 4 El Cajon CA SNDGCA0263Z  965H FRACTEL, LLC 732   2021-10-08   
858-844 5 El Cajon CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-11-22   
858-844 6 El Cajon CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-11-22   
858-844 7 El Cajon CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-11-22   
858-844 8 El Cajon CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-11-08   
858-844 9 El Cajon CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-11-08   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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