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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-765 A South Boston MA CMBRMAORRS0  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-765 0 South Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-18   
617-765 1 South Boston MA   892D ONVOY, LLC - MA 128   2019-05-11   
617-765 2 South Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2013-09-01   
617-765 3 South Boston MA   892D ONVOY, LLC - MA 128   2018-05-31   
617-765 4 South Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-765 5 South Boston MA   6664 SPRINT SPECTRUM L.P. 128   2006-08-12   
617-765 6 South Boston MA   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   
617-765 7 South Boston MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-09-01   
617-765 8 South Boston MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2012-05-26   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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