Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 351 [Rate centres in NPA 351] [Dial plan for NPA 351]

NXX: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-837 A Ashby MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
351-837 0 Ashby MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2022-03-11   
351-837 1 Ashby MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2022-03-18   
351-837 4 Ashby MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128   2022-03-10   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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