Local Calling Guide

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NPA: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-237 A Harwich MA   829J PAETEC ITEL, LLC 128      
774-237 0 Harwich MA   318J COMCAST IP PHONE, LLC 128   2005-05-06   
774-237 1 Harwich MA   829J PAETEC ITEL, LLC 128   2002-05-17   
774-237 2 Harwich MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-07-08   
774-237 3 Harwich MA   892D ONVOY, LLC - MA 128   2012-03-16   
774-237 4 Harwich MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-06-18   
774-237 6 Harwich MA   073H TELNYX LLC 128   2017-05-09   
774-237 7 Harwich MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-07   
774-237 8 Harwich MA   316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
774-237 9 Harwich MA   318J COMCAST IP PHONE, LLC 128   2012-07-20   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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