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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-318 A Roxbury MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-318 0 Roxbury MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-318 1 Roxbury MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128   2003-09-02   
617-318 2 Roxbury MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2023-01-12   
617-318 3 Roxbury MA CHTWMABMBMD  2899 BROADVIEW NETWORKS, INC. - MA 128   2011-06-18   
617-318 4 Roxbury MA   515J IP HORIZON LLC 128   2013-08-08   
617-318 5 Roxbury MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2013-12-06   
617-318 6 Roxbury MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-318 7 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2005-11-12   
617-318 8 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-11-12   
617-318 9 Roxbury MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128   2009-02-17   

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

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