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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-768 5 Danbury NH DNBRNHDBRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-768 7 Danbury NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-10-30   
603-768 9 Danbury NH DNBRNHDBRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2014-06-20   
603-769 A Milford NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-769 0 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2006-08-07   
603-769 1 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-09-02   
603-769 3 Milford NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-04-15   
603-769 4 Milford NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-769 5 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-10-10   
603-769 6 Milford NH MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2002-11-15   
603-769 7 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-08-02   
603-769 8 Milford NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-04-15   
603-769 9 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-02-17   
603-770 A Exeter NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-771 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-772 A Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-773 A Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-773 0 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-773 1 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-773 2 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-773 3 Exeter NH   829J PAETEC ITEL, LLC 122   2011-12-19   
603-773 4 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-773 5 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-773 6 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-773 7 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-773 8 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2016-09-16   
603-773 9 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-774 A Dunbarton NH DNTNNHXADS0  0043 DUNBARTON TEL. CO. 122      
603-775 A Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-775 0 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-775 1 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2025-01-13   
603-775 2 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-775 3 Exeter NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-07-06   
603-775 4 Exeter NH   829J PAETEC ITEL, LLC 122   2009-10-28   
603-775 5 Exeter NH   145J TERRA NOVA TELECOM INC. 122   2025-02-13   
603-775 7 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-775 8 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-775 9 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2015-10-13   
603-776 A Barnstead NH BRNSNHXARP0  0049 UNION TEL. CO. 122      
603-776 0 Barnstead NH BRNSNHXARP0  0049 UNION TEL. CO. 122      
603-776 2 Barnstead NH   145J TERRA NOVA TELECOM INC. 122   2025-07-11   
603-776 6 Barnstead NH   145J TERRA NOVA TELECOM INC. 122   2026-03-14   
603-777 A Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-777 0 Exeter NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2018-06-19   
603-777 1 Exeter NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2010-09-30   
603-777 2 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2012-11-10   
603-777 3 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-777 4 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-777 5 Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-777 6 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2014-07-28   

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

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