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

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
339-219 0 Wakefield MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2001-10-02   
339-219 4 Wakefield MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2008-05-06   
339-293 A Melrose MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
339-293 6 Melrose MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
339-499 A Weymouth MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
339-499 0 Weymouth MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2004-04-09   
339-499 6 Weymouth MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
339-502 A Canton MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
339-502 5 Canton MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-11-06   
339-502 6 Canton MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
339-502 7 Canton MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2011-07-23   
339-674 9 Medford MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2001-12-25   
339-707 A Arlington MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
339-707 6 Arlington MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-407 5 Auburn MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2003-06-15   
508-618 2 Mansfield MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2004-11-07   
508-639 A Southgate MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-639 6 Southgate MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-934 1 Dover MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-14   
617-202 A Brighton MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-202 4 Brighton MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-10-20   
617-202 6 Brighton MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-221 A Quincy MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-221 0 Quincy MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-221 1 Quincy MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-221 2 Quincy MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-224 1 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-226 A Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 0 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 1 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 2 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 3 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 4 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 5 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 6 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 9 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-259 1 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2004-04-25   
617-264 1 Brookline MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2002-06-25   
617-286 A Charlestown MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-286 0 Charlestown MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-286 1 Charlestown MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-307 A South Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-307 0 South Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
617-307 6 South Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-309 A Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-309 1 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2005-01-21   
617-309 2 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2005-01-21   
617-309 3 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2005-01-21   
617-309 4 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2005-01-21   
617-309 5 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2005-01-21   

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

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