Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: CMBRMAWA0MD

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-506 6 Dorchester MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-544 A Everett MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-544 6 Everett MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-581 A Newton MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-581 6 Newton MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-583 5 Cambridge MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-600 1 Watertown MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-03-07   
617-612 3 Watertown MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-615 0 Milton MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-615 4 Milton MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2011-12-02   
617-657 A Quincy MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-657 0 Quincy MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2003-07-09   
617-657 5 Quincy MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-11-11   
617-657 6 Quincy MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-676 6 Jamaica Plain MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2006-01-09   
617-681 2 Charlestown MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-682 1 Cambridge MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-684 3 Somerville MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2008-03-17   
617-690 6 Milton MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2006-05-19   
617-691 4 Quincy MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2017-07-17   
617-704 5 Dorchester MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2011-11-18   
617-751 2 Brookline MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2009-10-08   
617-751 5 Brookline MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2010-11-01   
617-766 7 South Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2011-10-13   
617-778 A Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-778 0 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2003-01-13   
617-778 1 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2003-04-22   
617-778 2 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2003-08-11   
617-778 5 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-778 6 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-778 7 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-807 A Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-807 1 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2010-07-08   
617-833 A Hyde Park MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-833 6 Hyde Park MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-844 A Cambridge MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-871 A Cambridge MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-871 1 Cambridge MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-12-09   
617-871 2 Cambridge MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-03-17   
617-871 6 Cambridge MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-903 A Brighton MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-903 1 Brighton MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-903 6 Brighton MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-903 9 Brighton MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-918 1 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-918 8 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-932 2 Belmont MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-932 3 Belmont MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2007-02-18   
617-982 5 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2013-07-16   
617-987 3 Brighton MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2007-02-17   

<< 1 2 3 4 5 6 7 8 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.