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.

Belmont, NH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-267 A BLMTNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-267 0 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-03   
603-267 1 BLMTNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-267 2 MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2009-06-30   
603-267 3 MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2003-03-11   
603-267 4 MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122   2002-09-10   
603-267 5 ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-267 6 BLMTNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-267 7 BLMTNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-267 8 BLMTNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-267 9 BLMTNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-407 A MNCHNHCOXAZ  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-407 0 MNCHNHAC3MD  939H COMMIO, LLC 122   2022-11-05   
603-407 1 MNCHNHCOXAZ  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2015-07-04   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.