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: HMPSNHMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-329 A Hampstead NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 0 Hampstead NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 4 Hampstead NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 5 Hampstead NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 6 Hampstead NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 7 Hampstead NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 8 Hampstead NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-329 9 Hampstead NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

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

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