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: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-581 A Woonsocket RI WNSCRICLDS0  9102 VERIZON NEW ENGLAND INC. 130      
401-581 5 Woonsocket RI WNSCRICLDS0  9102 VERIZON NEW ENGLAND INC. 130      
401-581 6 Woonsocket RI PRVDRIWAVMD  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130   2023-07-28   
401-581 8 Woonsocket RI WNSCRICLDS0  9102 VERIZON NEW ENGLAND INC. 130      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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