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.

OCN: 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
508-717 A New Bedford MA BRTNMACR0MD  128      
508-717 0 New Bedford MA BRTNMACR0MD  128   2003-03-14   
508-717 6 New Bedford MA BRTNMACR0MD  128      
508-719 5 Shrewsbury MA WRCSMACEX1X  128   2003-04-08   
508-772 A Foxboro MA FRMNMAUNX0X  128      
508-772 6 Foxboro MA FRMNMAUNX0X  128      
508-802 A Taunton MA BRTNMACR0MD  128      
508-802 6 Taunton MA BRTNMACR0MD  128      
508-802 9 Taunton MA BRTNMACR0MD  128   2005-08-03   
508-803 7 Franklin MA FRMNMAUNX0X  128   2014-02-28   
508-809 A North Attleboro MA FRMNMAUNX0X  128      
508-809 6 North Attleboro MA FRMNMAUNX0X  128      
508-834 5 Framingham MA FRMNMAUNX0X  128   2011-06-20   
508-837 A Fall River MA BRTNMACR0MD  128      
508-837 6 Fall River MA BRTNMACR0MD  128      
508-844 5 Taunton MA BRTNMACR0MD  128   2007-06-29   
508-901 A Nantucket MA BRTNMACR0MD  128      
508-901 6 Nantucket MA BRTNMACR0MD  128      
508-907 A Natick MA FRMNMAUNX0X  128      
508-907 6 Natick MA FRMNMAUNX0X  128      
508-907 7 Natick MA FRMNMAUNX0X  128   2005-05-01   
508-924 A East Bridgewater MA BRTNMACR0MD  128      
508-924 6 East Bridgewater MA BRTNMACR0MD  128      
508-927 3 Plymouth MA BRTNMACR0MD  128   2006-05-08   
508-948 2 Westboro MA WRCSMACEX1X  128   2008-09-26   
508-980 A Charlton MA WRCSMACEX1X  128      
508-980 6 Charlton MA WRCSMACEX1X  128      
617-202 A Brighton MA CMBRMAWA0MD  128      
617-202 4 Brighton MA CMBRMAWA0MD  128   2005-10-20   
617-202 6 Brighton MA CMBRMAWA0MD  128      
617-259 1 Boston MA CMBRMAWA0MD  128   2004-04-25   
617-307 A South Boston MA CMBRMAWA0MD  128      
617-307 6 South Boston MA CMBRMAWA0MD  128      
617-318 A Roxbury MA CMBRMAWA0MD  128      
617-318 6 Roxbury MA CMBRMAWA0MD  128      
617-321 1 Watertown MA CMBRMAWA0MD  128   2006-08-04   
617-329 3 Winthrop MA CMBRMAWA0MD  128   2005-02-12   
617-337 2 Charlestown MA CMBRMAWA0MD  128   2003-04-21   
617-383 A Brookline MA CMBRMAWA0MD  128      
617-383 6 Brookline MA CMBRMAWA0MD  128      
617-383 8 Brookline MA CMBRMAWA0MD  128   2006-02-13   
617-391 2 Boston MA CMBRMAWA0MD  128   2008-06-14   
617-412 4 Boston MA CMBRMAWA0MD  128   2005-07-18   
617-440 A Somerville MA CMBRMAWA0MD  128      
617-440 1 Somerville MA CMBRMAWA0MD  128   2003-02-06   
617-440 6 Somerville MA CMBRMAWA0MD  128      
617-447 2 Boston MA CMBRMAWA0MD  128   2004-08-10   
617-455 A East Boston MA CMBRMAWA0MD  128      
617-455 6 East Boston MA CMBRMAWA0MD  128      
617-467 A Newton MA CMBRMAWA0MD  128      

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Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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