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: 681

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-681 A Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-681 0 Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-681 1 Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-681 2 Charlestown MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-681 3 Charlestown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
617-681 4 Charlestown MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-01-31   
617-681 5 Charlestown MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-01-31   
617-681 6 Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-681 7 Charlestown MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-05-16   
617-681 8 Charlestown MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-01-31   
617-681 9 Charlestown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-02-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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