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: 522

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-522 A Sanbornville NH SBVLNHCSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-522 0 Sanbornville NH SBVLNHCSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-522 1 Sanbornville NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122      
603-522 2 Sanbornville NH   073H TELNYX LLC 122      
603-522 3 Sanbornville NH SBVLNHCSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-522 4 Sanbornville NH   145J TERRA NOVA TELECOM INC. 122      
603-522 5 Sanbornville NH SBVLNHCSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-522 6 Sanbornville NH SBVLNHCSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-522 7 Sanbornville NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-522 8 Sanbornville NH SBVLNHCSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-522 9 Sanbornville NH SBVLNHCSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.