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.

Bristol, NH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-217 A MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-217 0 ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-217 1 PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2010-08-05   
603-217 2 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2010-09-27   
603-217 3 MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2006-02-24   
603-217 4 PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2002-09-10   
603-217 5 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-03   
603-217 6   145J TERRA NOVA TELECOM INC. 122   2023-07-10   
603-217 7 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-12-12   
603-217 8 MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2012-04-25   
603-217 9 MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-530 A MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-530 0 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-530 1 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2012-09-18   
603-530 2 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-530 4 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2014-11-10   
603-530 5 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2014-11-10   
603-530 8 MNCHNHCO23Z  073H TELNYX LLC 122   2024-06-30   
603-744 A BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 0 BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 1 BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 2 BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 3 BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 4 MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2024-08-07   
603-744 5 BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 6 BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 8 BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 9 BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.