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
617-681 A Charlestown MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
617-681 0 Charlestown MA   4536 XO MASSACHUSETTS, INC. 128      
617-681 1 Charlestown MA   4536 XO MASSACHUSETTS, INC. 128      
617-681 2 Charlestown MA   3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-681 3 Charlestown MA   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   
617-681 4 Charlestown MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-01-31   
617-681 5 Charlestown MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-01-31   
617-681 6 Charlestown MA   4536 XO MASSACHUSETTS, INC. 128      
617-681 7 Charlestown MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-05-16   
617-681 8 Charlestown MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-01-31   
617-681 9 Charlestown MA   892D ONVOY, LLC - MA 128   2016-02-03   

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

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