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: 546

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-546 A Pawtucket RI   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130   2026-02-04   
401-546 6 Pawtucket RI   321J HD CARRIER LLC 130   2026-02-05   
401-546 7 Pawtucket RI   321J HD CARRIER LLC 130   2026-02-05   
401-546 9 Pawtucket RI   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130   2026-02-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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