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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OCN: 7135 TC SYSTEMS, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
413-504 1 Springfield MA   126      
413-504 4 Springfield MA   126      
413-504 5 Springfield MA   126      
413-504 6 Springfield MA   126      
413-504 7 Springfield MA   126      
413-558 6 Warren MA   126   2023-12-04   
413-559 A Amherst (Franklin County) MA SPFDMAMADS1  126      
413-559 4 Amherst (Franklin County) MA   126      
413-559 5 Amherst (Franklin County) MA   126      
413-559 6 Amherst (Franklin County) MA   126      
413-579 A Westfield MA SPFDMAMADS1  126      
413-579 0 Westfield MA   126      
413-588 A Northampton MA SPFDMAMADS1  126      
413-588 0 Northampton MA   126      
413-631 A Ludlow MA SPFDMAMADS1  126      
413-631 0 Ludlow MA   126      
413-666 9 Granville MA   126   2023-04-21   
413-672 A North Adams MA SPFDMAMADS1  126      
413-672 5 North Adams MA   126      
413-672 6 North Adams MA   126      
413-676 6 Turners Falls MA   126   2012-07-02   
413-728 6 Lenox MA   126   2010-06-01   
413-729 5 Westfield MA   126   2005-07-11   
413-754 7 Longmeadow MA   126   2012-07-02   
413-758 8 Ware MA   126   2019-04-26   
413-779 7 Easthampton MA   126   2012-07-02   
413-846 2 Springfield MA   126   2018-01-11   
413-937 4 Lee MA   126   2018-03-09   
413-942 0 Colrain MA   126   2023-02-23   
413-966 8 Northampton MA   126   2023-05-14   
508-204 6 New Bedford MA   128   2023-02-06   
508-207 4 New Bedford MA   128   2003-04-14   
508-213 A Webster MA WRCSMA02DS1  128      
508-213 1 Webster MA   128      
508-213 2 Webster MA   128      
508-215 A Framingham MA WRCSMA02DS1  128      
508-215 0 Framingham MA   128      
508-215 1 Framingham MA   128      
508-215 5 Framingham MA   128      
508-216 A Foxboro MA WRCSMA02DS1  128      
508-216 1 Foxboro MA   128      
508-216 2 Foxboro MA   128      
508-217 A Bridgewater MA WRCSMA02DS1  128      
508-217 0 Bridgewater MA   128      
508-244 A Milford MA WRCSMA02DS1  128      
508-244 6 Milford MA   128      
508-293 A Hopkinton MA WRCSMA02DS1  128      
508-293 2 Hopkinton MA   128      
508-293 6 Hopkinton MA   128      
508-293 7 Hopkinton MA   128      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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