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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
603-761 1 Littleton NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-761 2 Littleton NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-761 3 Littleton NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-761 4 Littleton NH   145J TERRA NOVA TELECOM INC. 122   2025-07-24   
603-761 6 Littleton NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-761 7 Littleton NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-761 8 Littleton NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-761 9 Littleton NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-762 A Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-762 0 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-762 1 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-762 2 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-762 3 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-762 4 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-762 5 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-762 6 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2007-10-27   
603-762 7 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2010-04-02   
603-762 8 Keene NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2010-01-21   
603-762 9 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-06-21   
603-763 A Sunapee NH SUNPNHMCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-763 0 Sunapee NH SUNPNHMCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-763 1 Sunapee NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-10-31   
603-763 2 Sunapee NH SUNPNHMCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-763 3 Sunapee NH SUNPNHMCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-763 4 Sunapee NH SUNPNHMCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-763 5 Sunapee NH SUNPNHMCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-763 6 Sunapee NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2024-12-28   
603-763 7 Sunapee NH   145J TERRA NOVA TELECOM INC. 122   2025-08-30   
603-763 8 Sunapee NH SUNPNHMCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-763 9 Sunapee NH SUNPNHMCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-764 A Warren NH WRRNNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-764 1 Warren NH   145J TERRA NOVA TELECOM INC. 122   2023-04-27   
603-764 5 Warren NH WRRNNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-764 6 Warren NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-764 7 Warren NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-05   
603-764 8 Warren NH   145J TERRA NOVA TELECOM INC. 122   2023-11-16   
603-764 9 Warren NH WRRNNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-765 A Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2024-02-09   
603-765 0 Nashua NH   5562 METROPCS, INC. 122      
603-765 1 Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-765 2 Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-765 3 Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-765 4 Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-765 5 Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-765 6 Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-765 7 Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-765 8 Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-765 9 Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-766 A Portsmouth NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-767 A Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-768 A Danbury NH DNBRNHDBRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-768 0 Danbury NH MNCHNHAC3MD  939H COMMIO, LLC 122   2022-06-12   
603-768 1 Danbury NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-10   
603-768 3 Danbury NH DNBRNHDBRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-768 4 Danbury NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2002-09-10   
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   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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