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: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-640 A Providence RI EPRVRIELCM2  6664 SPRINT SPECTRUM, L.P. 130      

Last updated: Fri, 13 May 2022 22:16:13 UTC

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