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: 654

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-654 A Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 0 Wilton NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-654 1 Wilton NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-654 2 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 3 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 5 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 6 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 7 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 8 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      
603-654 9 Wilton NH WLTONHXARP0  0050 WILTON TEL. CO. 122      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.