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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-832 A Laconia NH MNCHNHBRDS0  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-832 0 Laconia NH   4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-832 1 Laconia NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2011-03-04   
603-832 2 Laconia NH   4286 LIGHTSHIP TELECOM, LLC - NH 122   2005-04-30   
603-832 3 Laconia NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2005-10-22   
603-832 4 Laconia NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2010-12-16   
603-832 5 Laconia NH   9827 OTEL TELEKOM, INC. - NH 122   2005-01-20   
603-832 6 Laconia NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2012-06-17   
603-832 7 Laconia NH   8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2019-06-04   
603-832 8 Laconia NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2010-10-02   
603-832 9 Laconia NH   314C IDT AMERICA CORP - NH 122   2015-05-24   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.