Local Calling Guide

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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
603-730 2 North Conway NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2010-08-01   
603-730 3 North Conway NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-12-23   
603-730 4 North Conway NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2012-10-01   
603-730 5 North Conway NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-730 6 North Conway NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-08-20   
603-730 7 North Conway NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-12-17   
603-730 8 North Conway NH MNCHNHAC3MD  939H COMMIO, LLC 122   2022-11-05   
603-730 9 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      
603-732 0 Milford NH   829J PAETEC ITEL, LLC 122   2000-05-24   
603-732 1 Milford NH   829J PAETEC ITEL, LLC 122   2000-05-29   
603-732 2 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2007-01-02   
603-732 3 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2007-06-01   
603-732 4 Milford NH   829J PAETEC ITEL, LLC 122   2000-09-21   
603-732 5 Milford NH   6386 BELL ATLANTIC MOBILE, INC 122   2025-04-11   
603-732 6 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-03-03   
603-732 7 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-09-01   
603-732 8 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2009-12-16   
603-732 9 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      
603-733 0 North Conway NH PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2004-10-09   
603-733 1 North Conway NH   829J PAETEC ITEL, LLC 122   2004-08-21   
603-733 2 North Conway NH PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2002-09-19   
603-733 3 North Conway NH   145J TERRA NOVA TELECOM INC. 122   2022-08-04   
603-733 4 North Conway NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-733 5 North Conway NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2006-10-30   
603-733 6 North Conway NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2007-01-02   
603-733 7 North Conway NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2007-08-02   
603-733 8 North Conway NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-08-14   
603-733 9 North Conway NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-734 A Epping NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-734 2 Epping NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2000-07-01   
603-734 4 Epping NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-734 5 Epping NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-734 9 Epping NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-735 A Andover NH ANDVNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-735 0 Andover NH ANDVNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-735 2 Andover NH ANDVNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-735 4 Andover NH ANDVNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-735 5 Andover NH ANDVNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-735 6 Andover NH ANDVNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-736 A Epsom NH EPSMNHBHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-736 0 Epsom NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-736 1 Epsom NH   829J PAETEC ITEL, LLC 122   2002-09-12   
603-736 2 Epsom NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-736 3 Epsom NH EPSMNHBHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-736 4 Epsom NH EPSMNHBHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-736 5 Epsom NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2025-04-10   
603-736 6 Epsom NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2009-02-19   
603-736 7 Epsom NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-736 8 Epsom NH EPSMNHBHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-736 9 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      
603-739 0 North Woodstock NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2024-11-20   
603-739 6 North Woodstock NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2020-10-26   
603-739 7 North Woodstock NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2025-03-14   
603-739 9 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      
603-741 0 New Boston NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122      
603-741 3 New Boston NH   145J TERRA NOVA TELECOM INC. 122   2022-10-06   
603-741 4 New Boston NH   145J TERRA NOVA TELECOM INC. 122   2025-02-13   
603-741 5 New Boston NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2022-09-26   
603-741 7 New Boston NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2019-12-23   
603-741 8 New Boston NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2022-07-01   
603-741 9 New Boston NH   145J TERRA NOVA TELECOM INC. 122   2023-11-16   
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      
603-743 0 Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-743 1 Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-743 2 Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-743 3 Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-743 4 Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-743 5 Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-743 6 Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-743 7 Dover NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2024-12-28   
603-743 8 Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-743 9 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      
603-744 0 Bristol NH BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 1 Bristol NH BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 2 Bristol NH BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 3 Bristol NH BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 4 Bristol NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2024-08-07   
603-744 5 Bristol NH BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 6 Bristol NH BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 8 Bristol NH BRSTNHSPRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-744 9 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      
603-745 0 North Woodstock NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-745 2 North Woodstock NH NWDSNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-745 3 North Woodstock NH NWDSNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-745 4 North Woodstock NH NWDSNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-745 6 North Woodstock NH NWDSNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-745 7 North Woodstock NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-745 8 North Woodstock NH NWDSNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-745 9 North Woodstock NH NWDSNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

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