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: FRNCNHWHRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-823 A Franconia NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-823 4 Franconia NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2002-09-10   
603-823 5 Franconia NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-823 7 Franconia NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-823 8 Franconia NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-823 9 Franconia NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

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

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