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.

Merrimack, NH

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-440 8 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2002-12-09   
603-440 9 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-08-02   
603-461 A MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-461 0 MNCHNHCOCM1  5562 METROPCS, INC. 122   2017-01-21   
603-461 1 MNCHNHCOCM1  5562 METROPCS, INC. 122   2008-12-15   
603-461 2 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-461 3 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-07-10   
603-461 4 MNCHNHCOCM1  5562 METROPCS, INC. 122   2014-12-18   
603-461 5 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-05-08   
603-461 6 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-461 8 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-08-20   
603-461 9 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-12-08   
603-493 A MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-494 A MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-517 A MNCHNHCO29Z  9748 AMERICAN MESSAGING SERVICES, LLC 122      
603-533 A MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-582 A MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-620 A MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-670 A MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-670 0 MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-670 1 MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-670 2 MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-670 3 MNCHNHCOCM1  5562 METROPCS, INC. 122   2003-10-12   
603-670 4 MNCHNHCOCM1  5562 METROPCS, INC. 122   2003-10-12   
603-670 5 MNCHNHCOCM1  5562 METROPCS, INC. 122   2003-12-29   
603-670 6 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2018-09-20   
603-670 7 MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-670 8 MNCHNHCOCM1  5562 METROPCS, INC. 122   2004-01-10   
603-670 9 MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-683 A MRMCNHYADS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-820 A MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-820 0 MNCHNHCOCM1  5562 METROPCS, INC. 122   2008-05-12   
603-820 1 MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-02-28   
603-820 2 MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-02-28   
603-820 3 MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-02-28   
603-820 4 MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-10-23   
603-820 5 MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-10-23   
603-820 6 MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-10-23   
603-820 7 MNCHNHCOCM1  5562 METROPCS, INC. 122   2012-01-21   
603-820 8 PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2008-09-10   
603-820 9 MNCHNHCOCM1  5562 METROPCS, INC. 122   2014-11-06   
603-913 A MNCHNHCOXAZ  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-913 0 PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2004-10-09   
603-913 1 MNCHNHCOCM1  5562 METROPCS, INC. 122   2004-10-18   
603-913 2 MNCHNHCOXAZ  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-913 3 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-09-02   
603-913 4 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2006-03-04   
603-913 5 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2006-09-01   
603-913 6 MNCHNHCOXAZ  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-913 7 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2007-05-03   
603-913 8 SALMNHNB5MD  9247 BROADVIEW NETWORKS, INC. - NH 122   2007-05-05   
603-913 9 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-03-03   

<< 1 2

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.