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.

Switch: TLTNNHPRRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-266 A Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-266 1 Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-266 2 Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-266 3 Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 A Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 1 Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 2 Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 3 Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 4 Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 5 Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 7 Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 8 Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-286 9 Tilton NH 5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.