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
603-726 A Campton NH CMTNNHOWRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-726 0 Campton NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2006-07-03   
603-726 1 Campton NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2006-11-02   
603-726 2 Campton NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-726 3 Campton NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-726 4 Campton NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-726 5 Campton NH   651D CRC COMMUNICATIONS OF MAINE, INC. - NH 122   2006-10-30   
603-726 6 Campton NH   6386 BELL ATLANTIC NYNEX MOBILE 122   2006-04-01   
603-726 7 Campton NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-726 8 Campton NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-726 9 Campton NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Sat, 14 Sep 2019 01:44:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.