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.

Charlestown, NH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-251 A MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-251 0   073H TELNYX LLC 122      
603-251 1 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-826 A CHTWNHBRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-826 0 MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-826 1 MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122      
603-826 2   145J TERRA NOVA TELECOM INC. 122      
603-826 3 CHTWNHBRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-826 4 CHTWNHBRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-826 5 CHTWNHBRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-826 6 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-826 7 MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-826 8 PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122      
603-826 9 CHTWNHBRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 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.