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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Switch: MNCHNHIE6MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-943 7 Nashua NH 318J COMCAST IP PHONE, LLC 122   2011-08-05   
603-943 8 Nashua NH 318J COMCAST IP PHONE, LLC 122   2012-09-19   
603-945 3 Manchester NH 318J COMCAST IP PHONE, LLC 122   2016-06-07   
603-961 A Chichester NH 318J COMCAST IP PHONE, LLC 122      
603-961 0 Chichester NH 318J COMCAST IP PHONE, LLC 122   2010-01-25   
603-964 0 Rye Beach NH 318J COMCAST IP PHONE, LLC 122   2011-11-04   
603-965 3 Derry NH 318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-965 4 Derry NH 318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-967 8 Hampton NH 318J COMCAST IP PHONE, LLC 122   2019-07-05   
603-974 A Plaistow NH 318J COMCAST IP PHONE, LLC 122      
603-974 1 Plaistow NH 318J COMCAST IP PHONE, LLC 122      
603-974 2 Plaistow NH 318J COMCAST IP PHONE, LLC 122      
603-974 7 Plaistow NH 318J COMCAST IP PHONE, LLC 122   2013-07-08   
603-975 A Boscawen NH 318J COMCAST IP PHONE, LLC 122      
603-975 0 Boscawen NH 318J COMCAST IP PHONE, LLC 122   2010-01-25   
603-977 A Andover NH 318J COMCAST IP PHONE, LLC 122      
603-977 0 Andover NH 318J COMCAST IP PHONE, LLC 122   2010-01-25   
603-995 4 Henniker NH 318J COMCAST IP PHONE, LLC 122   2010-02-10   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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