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.

NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 995

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-995 A Henniker NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-995 0 Henniker NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-995 1 Henniker NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-995 4 Henniker NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-995 5 Henniker NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-995 6 Henniker NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-995 9 Henniker NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.