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: 459

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-459 A Nashua NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-459 0 Nashua NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-459 1 Nashua NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-459 2 Nashua NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-459 3 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-07-02   
603-459 4 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-05-02   
603-459 5 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2006-11-02   
603-459 6 Nashua NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-459 7 Nashua NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-459 8 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2005-04-15   
603-459 9 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-04-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.