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Merrimack, NH

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-261 A MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-261 0 MNCHNHCOCM1  5562 METROPCS, INC. 122   2008-12-15   
603-261 1 MNCHNHCOCM1  5562 METROPCS, INC. 122   2008-12-15   
603-261 2 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2010-09-27   
603-261 3 MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2013-11-20   
603-261 4 MNCHNHCOCM1  5562 METROPCS, INC. 122   2014-11-06   
603-261 5 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-261 6 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-261 7 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-261 8 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-261 9 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-262 A MRMCNHYADS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-262 0 MNCHNHCOCM1  5562 METROPCS, INC. 122   2008-12-15   
603-262 1 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-15   
603-262 2   829J PAETEC ITEL, LLC 122   2001-09-10   
603-262 3 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-262 4 MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2004-04-11   
603-262 5 MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-10-31   
603-262 6 MRMCNHYADS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-262 7 MRMCNHYADS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-262 8 MRMCNHYADS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-262 9 MRMCNHYADS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-341 A MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-341 0 MNCHNHCOCM1  5562 METROPCS, INC. 122   2008-12-15   
603-341 1 MNCHNHCOCM1  5562 METROPCS, INC. 122   2008-12-15   
603-341 2 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-09-02   
603-341 3 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-02-14   
603-341 4 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-12-17   
603-341 5 MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-341 6 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-01-22   
603-341 7 MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-08-02   
603-341 8 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-06-28   
603-341 9 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-10-01   
603-345 A MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-345 0   6290 UNITED STATES CELLULAR - NH 122      
603-345 1   6290 UNITED STATES CELLULAR - NH 122      
603-345 2   6290 UNITED STATES CELLULAR - NH 122      
603-345 3   6290 UNITED STATES CELLULAR - NH 122      
603-345 4   6290 UNITED STATES CELLULAR - NH 122      
603-345 5   6290 UNITED STATES CELLULAR - NH 122      
603-345 6   6290 UNITED STATES CELLULAR - NH 122      
603-345 7   6290 UNITED STATES CELLULAR - NH 122      
603-345 8   6290 UNITED STATES CELLULAR - NH 122      
603-345 9   6290 UNITED STATES CELLULAR - NH 122      
603-365 A MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-365 0 MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-365 1 MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-365 2 MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2021-09-10   
603-365 3 MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2021-09-10   
603-365 4 MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-12-04   

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

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