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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
413-642 8 Westfield MA 318J COMCAST IP PHONE, LLC 126   2014-04-21   
413-648 3 Bernardston MA 318J COMCAST IP PHONE, LLC 126   2004-04-27   
413-650 0 Holyoke MA 318J COMCAST IP PHONE, LLC 126   2010-09-16   
413-676 5 Turners Falls MA 318J COMCAST IP PHONE, LLC 126   2015-08-05   
413-685 8 Huntington MA 318J COMCAST IP PHONE, LLC 126   2018-10-30   
413-727 3 Northampton MA 318J COMCAST IP PHONE, LLC 126   2010-08-08   
413-727 8 Northampton MA 318J COMCAST IP PHONE, LLC 126   2006-11-14   
413-750 9 Springfield MA 318J COMCAST IP PHONE, LLC 126   2019-03-20   
413-754 3 Longmeadow MA 318J COMCAST IP PHONE, LLC 126   2004-04-27   
413-831 6 Southwick MA 318J COMCAST IP PHONE, LLC 126   2012-06-02   
413-835 A Amherst MA 318J COMCAST IP PHONE, LLC 126      
413-835 0 Amherst MA 318J COMCAST IP PHONE, LLC 126   2007-08-10   
413-853 5 Ashfield MA 318J COMCAST IP PHONE, LLC 126   2018-05-19   
413-863 5 Turners Falls MA 318J COMCAST IP PHONE, LLC 126   2004-04-27   
413-893 1 Monson MA 318J COMCAST IP PHONE, LLC 126   2015-08-08   
413-893 9 Monson MA 318J COMCAST IP PHONE, LLC 126   2005-10-30   
413-935 5 Longmeadow MA 318J COMCAST IP PHONE, LLC 126   2015-09-30   
413-992 2 Amherst MA 318J COMCAST IP PHONE, LLC 126   2012-11-16   
413-998 3 Southwick MA 318J COMCAST IP PHONE, LLC 126   2004-04-27   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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