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

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-712 A Pike NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-713 A Nashua NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-714 A Bedford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-715 A Concord NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-716 A Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-717 A Concord NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-718 A Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-719 A Keene NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-720 A Troy NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122      
603-721 A Milford NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-722 A Manchester NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122      
603-723 A Berlin NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-724 A Concord NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-725 A Tamworth NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-726 A Campton NH CMTNNHOWRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-727 A Lebanon NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-728 A North Woodstock NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-729 A Tilton NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-730 A North Conway NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-731 A Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-732 A Milford NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-733 A North Conway NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-734 A Epping NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-735 A Andover NH ANDVNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-736 A Epsom NH EPSMNHBHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-737 A Laconia NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-738 A Concord NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-739 A North Woodstock NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-740 A Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-741 A New Boston NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-742 A Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-743 A Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 A Bristol NH BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-745 A North Woodstock NH NWDSNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-746 A Contoocook NH CNTCNHXAPS0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-747 A Woodsville NH WDVLNHJLRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-748 A Warner NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-749 A Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-750 A Dover NH DOVRNHTHPS0  383J CONSOLIDATED COMM ENTERPRISE SERVICES INC 122      
603-751 A Pelham NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-752 A Berlin NH BRLNNHHERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-753 A Penacook NH PNCKNHCHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-754 A Lancaster NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-755 A Farmington NH FRTNNHMGRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-756 A Walpole NH WLPLNHWPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-757 A Keene NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-758 A Hampton NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-759 A Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-760 A Seabrook NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-761 A Littleton NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-762 A Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-763 A 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      
603-765 A Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2024-02-09   
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      
603-769 A Milford NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
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      
603-774 A Dunbarton NH DNTNNHXADS0  0043 DUNBARTON TEL. CO. 122      
603-775 A Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-776 A Barnstead NH BRNSNHXARP0  0049 UNION TEL. CO. 122      
603-777 A Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-778 A Exeter NH EXTRNHCEDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-779 A Plymouth NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-780 A Canaan NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-781 A Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-782 A Manchester NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-783 A Canterbury NH CNTRNHSHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-784 A Peterborough NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-785 A Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-786 A Rumney NH RMNYNHSLRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-787 A Woodsville NH NHHLNHDMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-788 A Lancaster NH LNCSNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-789 A Danbury NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-790 A West Lebanon NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-791 A Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-792 A Manchester NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-793 A Exeter NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-794 A Laconia NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-795 A Lyme NH LYMENHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-796 A Boscawen NH BSCWNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-797 A Plaistow NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-798 A Chichester NH CHCHNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-799 A Manchester NH   5562 METROPCS, INC. 122      
603-800 A Meredith NH MNCHNHCO26Z  965H FRACTEL, LLC 122      
603-801 A Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-802 A Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-803 A Keene NH MNCHNHCO16Z  508J CENTURYLINK COMMUNICATIONS, LLC 122      
603-804 A Dover NH MNCHNHBO2MD  490J DISH WIRELESS, LLC 122      
603-805 A Concord NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-808 A Antrim NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-809 A Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-810 A Nashua NH MNCHNHAC4MD  073H TELNYX LLC 122      
603-812 A Portsmouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-813 A Center Barnstead NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122      
603-814 A Seabrook NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      

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Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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