Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 341 [Rate centres in NPA 341] [Dial plan for NPA 341]

NXX: 258

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-258 A Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-06   
341-258 0 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-07   
341-258 1 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-07   
341-258 2 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-07   
341-258 3 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-07   
341-258 4 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-08   
341-258 5 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-08   
341-258 6 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-08   
341-258 7 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-08   
341-258 8 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-07   
341-258 9 Hayward CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-06   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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