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: 352

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-352 A Georgetown MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
351-352 0 Georgetown MA   892D ONVOY, LLC - MA 128   2024-03-07   
351-352 1 Georgetown MA   624H ONVOY SPECTRUM, LLC 128   2022-02-05   
351-352 2 Georgetown MA   624H ONVOY SPECTRUM, LLC 128   2021-05-17   
351-352 4 Georgetown MA   892D ONVOY, LLC - MA 128   2021-07-10   
351-352 5 Georgetown MA   892D ONVOY, LLC - MA 128   2021-07-10   
351-352 6 Georgetown MA   892D ONVOY, LLC - MA 128   2021-08-14   
351-352 7 Georgetown MA   892D ONVOY, LLC - MA 128   2021-08-14   
351-352 8 Georgetown MA   624H ONVOY SPECTRUM, LLC 128   2022-02-05   

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

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