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: MNCHNHCO42Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-937 3 Meredith NH 793K TWC IP ENABLED SERVICES, LLC 122   2013-07-30   
603-939 4 East Conway NH 793K TWC IP ENABLED SERVICES, LLC 122   2012-10-22   
603-960 9 Campton NH 793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-971 0 Rindge NH 793K TWC IP ENABLED SERVICES, LLC 122   2024-01-07   
603-989 8 Pike NH 793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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