Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 442 [Rate centres in NPA 442] [Dial plan for NPA 442]

NXX: 358

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-358 A Ramona CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732      
442-358 1 Ramona CA SNDGCA0200Z  490J DISH WIRELESS, LLC 732   2023-11-27   
442-358 2 Ramona CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-08-11   
442-358 3 Ramona CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-08-11   
442-358 5 Ramona CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-08-11   
442-358 6 Ramona CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2022-02-24   
442-358 7 Ramona CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-07-17   
442-358 8 Ramona CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-07-17   
442-358 9 Ramona CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-07-17   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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