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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-999 2 Manchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
351-999 3 Manchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
351-999 4 Manchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
351-999 5 Manchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
351-999 6 Manchester MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-05-12   
351-999 7 Manchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
351-999 8 Manchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
351-999 9 Manchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2015-08-23   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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