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: 663

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-663 A Pawtucket RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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