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: 923

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-923 A Cohasset MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
781-923 0 Cohasset MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
781-923 1 Cohasset MA   318J COMCAST IP PHONE, LLC 128      
781-923 2 Cohasset MA   892D ONVOY, LLC - MA 128   2019-02-24   
781-923 3 Cohasset MA   145J TERRA NOVA TELECOM INC. 128   2024-02-08   
781-923 4 Cohasset MA   892D ONVOY, LLC - MA 128   2019-02-24   
781-923 5 Cohasset MA   508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-25   
781-923 6 Cohasset MA   318J COMCAST IP PHONE, LLC 128   2013-04-24   
781-923 7 Cohasset MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
781-923 8 Cohasset MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
781-923 9 Cohasset MA   515J IP HORIZON LLC 128   2016-07-01   

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

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