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
617-337 A Charlestown MA SBTNMAFHDS0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-337 0 Charlestown MA   7619 RCN TELECOM SERVICES, INC. - MA 128      
617-337 1 Charlestown MA   7619 RCN TELECOM SERVICES, INC. - MA 128      
617-337 2 Charlestown MA   4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2003-04-21   
617-337 3 Charlestown MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-08-10   
617-337 4 Charlestown MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-10-13   
617-337 5 Charlestown MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2005-01-20   
617-337 7 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-11-08   
617-337 8 Charlestown MA   7619 RCN TELECOM SERVICES, INC. - MA 128      
617-337 9 Charlestown MA   2899 BROADVIEW NETWORKS, INC. - MA 128   2003-09-02   

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

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