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: 214

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-214 A Rockport MA SOVLMAAB3MD  197D VONAGE AMERICA LLC 128      
351-214 0 Rockport MA   197D VONAGE AMERICA LLC 128   2019-11-29   
351-214 1 Rockport MA   892D ONVOY, LLC - MA 128   2023-02-11   
351-214 2 Rockport MA   624H ONVOY SPECTRUM, LLC 128   2021-04-12   
351-214 3 Rockport MA   892D ONVOY, LLC - MA 128   2021-07-22   
351-214 4 Rockport MA   892D ONVOY, LLC - MA 128   2021-07-22   
351-214 9 Rockport MA   892D ONVOY, LLC - MA 128   2023-09-18   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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