Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
351-371 6 Westminster MA 7135 TC SYSTEMS, INC. 128   2021-10-15   
508-204 6 New Bedford MA 7135 TC SYSTEMS, INC. 128   2023-02-06   
508-501 A New Bedford MA 7135 TC SYSTEMS, INC. 128      
508-501 2 New Bedford MA 7135 TC SYSTEMS, INC. 128      
508-591 A Plymouth MA 7135 TC SYSTEMS, INC. 128      
508-591 1 Plymouth MA 7135 TC SYSTEMS, INC. 128      
508-591 9 Plymouth MA 7135 TC SYSTEMS, INC. 128      
508-744 A Barnstable MA 7135 TC SYSTEMS, INC. 128      
508-744 2 Barnstable MA 7135 TC SYSTEMS, INC. 128      
617-239 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-239 0 Boston MA 7135 TC SYSTEMS, INC. 128      
617-239 2 Boston MA 7135 TC SYSTEMS, INC. 128      
617-239 3 Boston MA 7135 TC SYSTEMS, INC. 128      
617-239 4 Boston MA 7135 TC SYSTEMS, INC. 128      
617-239 6 Boston MA 7135 TC SYSTEMS, INC. 128      
617-239 7 Boston MA 7135 TC SYSTEMS, INC. 128      
617-239 8 Boston MA 7135 TC SYSTEMS, INC. 128      
617-300 A Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-300 1 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-300 2 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-300 3 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-300 4 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-300 5 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-300 6 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-379 4 Dorchester MA 7135 TC SYSTEMS, INC. 128   2003-11-30   
617-386 A Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-386 1 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-386 2 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-386 4 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-386 7 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-386 8 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-397 A Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-397 2 Cambridge MA 7135 TC SYSTEMS, INC. 128      
617-514 5 Dorchester MA 7135 TC SYSTEMS, INC. 128   2010-04-30   
617-514 8 Dorchester MA 7135 TC SYSTEMS, INC. 128   2011-09-22   
617-580 4 Charlestown MA 7135 TC SYSTEMS, INC. 128   2002-05-14   
617-597 8 Newton MA 7135 TC SYSTEMS, INC. 128   2023-12-14   
617-602 4 Roxbury MA 7135 TC SYSTEMS, INC. 128   2002-05-14   
617-668 2 Watertown MA 7135 TC SYSTEMS, INC. 128   2020-02-13   
617-668 4 Watertown MA 7135 TC SYSTEMS, INC. 128   2015-09-14   
617-668 7 Watertown MA 7135 TC SYSTEMS, INC. 128   2019-11-21   
617-668 8 Watertown MA 7135 TC SYSTEMS, INC. 128   2019-11-21   
617-671 3 Boston MA 7135 TC SYSTEMS, INC. 128   2005-03-24   
617-717 A Boston MA 7135 TC SYSTEMS, INC. 128      
617-717 0 Boston MA 7135 TC SYSTEMS, INC. 128      
617-717 1 Boston MA 7135 TC SYSTEMS, INC. 128      
617-717 7 Boston MA 7135 TC SYSTEMS, INC. 128      
774-226 A Taunton MA 7135 TC SYSTEMS, INC. 128      
774-236 5 Nantucket MA 7135 TC SYSTEMS, INC. 128   2026-06-08   
774-304 5 Sturbridge MA 7135 TC SYSTEMS, INC. 128   2014-05-02   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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