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: 233

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-233 A Ashburnham MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
351-233 0 Ashburnham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-23   
351-233 1 Ashburnham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-11-03   
351-233 2 Ashburnham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-11-03   
351-233 3 Ashburnham MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128   2022-04-21   
351-233 9 Ashburnham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-02-10   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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