Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 339 [Rate centres in NPA 339] [Dial plan for NPA 339]

NXX: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
339-255 A Weymouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
339-255 0 Weymouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-09   
339-255 1 Weymouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-28   
339-255 3 Weymouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-28   
339-255 4 Weymouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-28   
339-255 5 Weymouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-06   
339-255 6 Weymouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-06   
339-255 7 Weymouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-06   
339-255 8 Weymouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-06   
339-255 9 Weymouth MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-15   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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