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.

Somersworth, NH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-405 A DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-405 0 ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2020-12-24   
603-405 2 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2017-02-16   
603-405 6 DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2016-06-17   
603-405 8 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2017-05-04   
603-692 A SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 0 SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 1 MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2001-08-10   
603-692 2 SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 3 SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 4 SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 5 SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 6 SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 7 SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-692 8 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2013-04-08   
603-692 9 SMRSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-841 A MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-841 0 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-841 1 DOVRNHTH8MD  2698 CTC COMMUNICATIONS CORP. - NH 122   2001-05-01   
603-841 2 PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2004-07-30   
603-841 3 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-05   
603-841 4 MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-04-10   
603-841 5 MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-841 6 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2011-08-29   
603-841 7 MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-841 8 DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2015-01-20   
603-841 9 MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122   2003-07-26   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.