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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-677 A Hope Valley RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130      
401-677 1 Hope Valley RI   6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2025-04-20   
401-677 6 Hope Valley RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-03-29   
401-677 7 Hope Valley RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-03-29   
401-677 8 Hope Valley RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2023-09-30   
401-677 9 Hope Valley RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130      

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

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