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: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-238 A Orange MA SOVLMAABDMD  490J DISH WIRELESS, LLC 128      
351-238 0 Orange MA   892D ONVOY, LLC - MA 128   2024-03-07   
351-238 9 Orange MA   490J DISH WIRELESS, LLC 128   2023-04-09   

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

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