Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-851 A Malden MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
781-851 0 Malden MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-23   
781-851 1 Malden MA BSTPMALLOMD  073H TELNYX LLC 128   2021-03-04   
781-851 2 Malden MA   829J PAETEC ITEL, LLC 128   2009-06-09   
781-851 3 Malden MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-10   
781-851 4 Malden MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-11-22   
781-851 6 Malden MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-03-24   
781-851 7 Malden MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-03-24   
781-851 8 Malden MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2008-12-08   
781-851 9 Malden MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-23   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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