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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
413-248 1 Sheffield MA 793K TWC IP ENABLED SERVICES, LLC 126   2010-11-14   
413-274 5 Housatonic MA 793K TWC IP ENABLED SERVICES, LLC 126   2007-07-27   
413-298 7 Stockbridge MA 793K TWC IP ENABLED SERVICES, LLC 126   2007-07-27   
413-300 A Dalton MA 793K TWC IP ENABLED SERVICES, LLC 126   2025-05-06   
413-300 0 Dalton MA 793K TWC IP ENABLED SERVICES, LLC 126   2010-11-29   
413-337 8 Charlemont MA 793K TWC IP ENABLED SERVICES, LLC 126   2025-12-07   
413-344 A Pittsfield MA 793K TWC IP ENABLED SERVICES, LLC 126   2025-05-06   
413-344 4 Pittsfield MA 793K TWC IP ENABLED SERVICES, LLC 126   2010-11-14   
413-344 9 Pittsfield MA 793K TWC IP ENABLED SERVICES, LLC 126   2015-08-03   
413-346 4 North Adams MA 793K TWC IP ENABLED SERVICES, LLC 126   2006-11-20   
413-347 8 Pittsfield MA 793K TWC IP ENABLED SERVICES, LLC 126   2016-10-27   
413-380 A Richmond MA 793K TWC IP ENABLED SERVICES, LLC 126   2025-05-06   
413-380 0 Richmond MA 793K TWC IP ENABLED SERVICES, LLC 126   2020-07-26   
413-394 4 Lee MA 793K TWC IP ENABLED SERVICES, LLC 126   2006-11-20   
413-394 5 Lee MA 793K TWC IP ENABLED SERVICES, LLC 126   2010-11-14   
413-398 5 North Adams MA 793K TWC IP ENABLED SERVICES, LLC 126   2010-11-14   
413-458 6 Williamstown MA 793K TWC IP ENABLED SERVICES, LLC 126   2010-11-01   
413-462 A Sandisfield MA 793K TWC IP ENABLED SERVICES, LLC 126   2025-05-06   
413-462 1 Sandisfield MA 793K TWC IP ENABLED SERVICES, LLC 126   2022-01-13   
413-464 A Pittsfield MA 793K TWC IP ENABLED SERVICES, LLC 126   2025-05-06   
413-464 0 Pittsfield MA 793K TWC IP ENABLED SERVICES, LLC 126      
413-464 7 Pittsfield MA 793K TWC IP ENABLED SERVICES, LLC 126   2008-02-13   
413-464 8 Pittsfield MA 793K TWC IP ENABLED SERVICES, LLC 126   2008-02-13   
413-464 9 Pittsfield MA 793K TWC IP ENABLED SERVICES, LLC 126   2006-10-01   
413-551 7 Lenox MA 793K TWC IP ENABLED SERVICES, LLC 126   2006-11-20   
413-616 A Otis MA 793K TWC IP ENABLED SERVICES, LLC 126   2025-05-06   
413-616 1 Otis MA 793K TWC IP ENABLED SERVICES, LLC 126   2021-12-21   
413-625 1 Shelburne Falls MA 793K TWC IP ENABLED SERVICES, LLC 126   2025-12-07   
413-645 3 Great Barrington MA 793K TWC IP ENABLED SERVICES, LLC 126   2010-11-14   
413-646 1 Millers Falls MA 793K TWC IP ENABLED SERVICES, LLC 126   2024-02-18   
413-655 9 Hinsdale MA 793K TWC IP ENABLED SERVICES, LLC 126   2020-03-09   
413-717 4 Great Barrington MA 793K TWC IP ENABLED SERVICES, LLC 126   2006-11-20   
413-749 7 Adams MA 793K TWC IP ENABLED SERVICES, LLC 126   2010-11-14   
413-776 7 Adams MA 793K TWC IP ENABLED SERVICES, LLC 126   2006-11-20   
413-881 4 Lenox MA 793K TWC IP ENABLED SERVICES, LLC 126   2010-11-14   
413-884 6 Williamstown MA 793K TWC IP ENABLED SERVICES, LLC 126   2006-11-20   
413-933 1 Monroe Bridge MA 793K TWC IP ENABLED SERVICES, LLC 126   2023-01-06   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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