Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-744 A Watertown MA CHFRMAAHPS2  6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
617-744 0 Watertown MA   318J COMCAST IP PHONE LLC 128      
617-744 1 Watertown MA   318J COMCAST IP PHONE LLC 128      
617-744 2 Watertown MA   892D ONVOY, LLC - MA 128   2010-03-15   
617-744 3 Watertown MA CMBRMAORDS0  7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2009-03-01   
617-744 4 Watertown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-02-29   
617-744 5 Watertown MA   318J COMCAST IP PHONE LLC 128      
617-744 6 Watertown MA   318J COMCAST IP PHONE LLC 128   2006-12-03   
617-744 7 Watertown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-02-29   
617-744 8 Watertown MA   318J COMCAST IP PHONE LLC 128   2006-12-03   
617-744 9 Watertown MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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