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: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-551 A Newport RI PRVDRIWAVMD  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      
401-551 1 Newport RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2023-09-22   
401-551 4 Newport RI PRVDRIWALMD  506J TWILIO INTERNATIONAL, INC. 130   2020-12-21   
401-551 8 Newport RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2023-09-22   
401-551 9 Newport RI PRVDRIWAVMD  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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