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.

Concord, NH

<< 1 2 3 4 5 6 7 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-724 A   829J PAETEC ITEL, LLC 122   2025-04-30   
603-724 0 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-11-04   
603-724 1 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-01-02   
603-724 2   829J PAETEC ITEL, LLC 122      
603-724 3 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-01-02   
603-724 4 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-08-15   
603-724 5 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-06-02   
603-724 6   829J PAETEC ITEL, LLC 122      
603-724 7 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-09-02   
603-724 8 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-03-03   
603-724 9 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2006-02-03   
603-731 A MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-738 A DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-802 A MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-802 0   939H COMMIO, LLC 122   2022-11-14   
603-802 1 MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2022-11-14   
603-802 2 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-11-13   
603-802 3 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-11-13   
603-802 4 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-12-01   
603-802 5 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-12-01   
603-802 6 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-12-01   
603-802 7 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-07-06   
603-802 8 MNCHNHCO23Z  073H TELNYX LLC 122   2022-11-20   
603-802 9 MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2023-02-10   
603-805 A MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-805 0 MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2023-12-02   
603-805 1 MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2023-12-02   
603-805 2 MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122   2023-12-01   
603-805 3   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2026-02-12   
603-805 4 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2024-10-04   
603-805 7 MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2024-11-03   
603-805 8 MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2023-12-02   
603-805 9 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2024-03-08   
603-848 A MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-848 0   6290 UNITED STATES CELLULAR - NH 122      
603-848 1   6290 UNITED STATES CELLULAR - NH 122      
603-848 2   6290 UNITED STATES CELLULAR - NH 122      
603-848 3   6290 UNITED STATES CELLULAR - NH 122      
603-848 4   6290 UNITED STATES CELLULAR - NH 122      
603-848 5   6290 UNITED STATES CELLULAR - NH 122      
603-848 6   6290 UNITED STATES CELLULAR - NH 122      
603-848 7   6290 UNITED STATES CELLULAR - NH 122      
603-848 8   6290 UNITED STATES CELLULAR - NH 122      
603-848 9   6290 UNITED STATES CELLULAR - NH 122      
603-856 A   829J PAETEC ITEL, LLC 122   2025-04-30   
603-856 0   829J PAETEC ITEL, LLC 122      
603-856 1 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-07-03   
603-856 3 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-11-03   
603-856 4 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2010-11-01   
603-856 5 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-10-03   

<< 1 2 3 4 5 6 7 >>

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.