Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 401 [Rate centres in NPA 401] [Dial plan for NPA 401]

NXX: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-492 A Cumberland Hill RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-02-24   
401-492 0 Cumberland Hill RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-05-16   
401-492 1 Cumberland Hill RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-05-16   
401-492 2 Cumberland Hill RI   6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2025-07-11   
401-492 3 Cumberland Hill RI EPRVRINB7MD  490J DISH WIRELESS, LLC 130   2024-05-12   
401-492 4 Cumberland Hill RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-05-16   
401-492 5 Cumberland Hill RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-08-08   
401-492 6 Cumberland Hill RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-08-08   
401-492 7 Cumberland Hill RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-02-24   
401-492 8 Cumberland Hill RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-02-24   
401-492 9 Cumberland Hill RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-02-24   

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

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