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
603-817 0 Dover NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-817 1 Dover NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-817 2 Dover NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2003-05-26   
603-817 3 Dover NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2003-05-26   
603-817 4 Dover NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2003-08-25   
603-817 5 Dover NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2003-08-25   
603-817 6 Dover NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-817 7 Dover NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-817 8 Dover NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-817 9 Dover NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-818 A Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2024-02-09   
603-818 0 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2008-11-15   
603-818 1 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-818 2 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-818 3 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-818 4 Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2012-06-15   
603-818 5 Derry NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122   2006-06-22   
603-818 6 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-818 7 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2006-07-26   
603-818 8 Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-06-04   
603-818 9 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-819 A Plaistow NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-819 0 Plaistow NH PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2005-01-24   
603-819 1 Plaistow NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-04-01   
603-819 3 Plaistow NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2006-09-01   
603-819 4 Plaistow NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-819 5 Plaistow NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-04-28   
603-819 6 Plaistow NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-10-03   
603-819 8 Plaistow NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-04-01   
603-819 9 Plaistow NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2003-06-03   
603-820 A Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-820 0 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2008-05-12   
603-820 1 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-02-28   
603-820 2 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-02-28   
603-820 3 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-02-28   
603-820 4 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-10-23   
603-820 5 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-10-23   
603-820 6 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2010-10-23   
603-820 7 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2012-01-21   
603-820 8 Merrimack NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2008-09-10   
603-820 9 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2014-11-06   
603-821 A Nashua NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-821 0 Nashua NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-02-08   
603-821 1 Nashua NH   829J PAETEC ITEL, LLC 122   2004-10-24   
603-821 2 Nashua NH   829J PAETEC ITEL, LLC 122   2005-08-17   
603-821 3 Nashua NH   829J PAETEC ITEL, LLC 122   2003-06-02   
603-821 4 Nashua NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2003-01-01   
603-821 5 Nashua NH   829J PAETEC ITEL, LLC 122      
603-821 6 Nashua NH   829J PAETEC ITEL, LLC 122      
603-821 7 Nashua NH   829J PAETEC ITEL, LLC 122   2003-09-21   
603-821 8 Nashua NH   829J PAETEC ITEL, LLC 122   2005-08-17   
603-821 9 Nashua NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-08-29   
603-822 A Rochester NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-822 0 Rochester NH   829J PAETEC ITEL, LLC 122      
603-822 1 Rochester NH   829J PAETEC ITEL, LLC 122   2000-05-24   
603-822 2 Rochester NH   829J PAETEC ITEL, LLC 122   2000-05-29   
603-822 3 Rochester NH   829J PAETEC ITEL, LLC 122   2005-02-01   
603-822 4 Rochester NH   829J PAETEC ITEL, LLC 122   2007-02-16   
603-822 5 Rochester NH   829J PAETEC ITEL, LLC 122   2010-05-03   
603-822 6 Rochester NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2024-12-28   
603-822 7 Rochester NH   829J PAETEC ITEL, LLC 122      
603-822 8 Rochester NH   829J PAETEC ITEL, LLC 122      
603-822 9 Rochester NH   829J PAETEC ITEL, LLC 122      
603-823 A Franconia NH FRNCNHWHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-823 0 Franconia NH   145J TERRA NOVA TELECOM INC. 122   2023-01-04   
603-823 1 Franconia NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2021-04-12   
603-823 2 Franconia NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-823 3 Franconia NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-823 4 Franconia NH FRNCNHWHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2002-09-10   
603-823 5 Franconia NH FRNCNHWHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-823 6 Franconia NH MNCHNHAC3MD  939H COMMIO, LLC 122   2022-06-09   
603-823 7 Franconia NH FRNCNHWHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-823 8 Franconia NH FRNCNHWHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-823 9 Franconia NH FRNCNHWHRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-824 A Salem NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-824 1 Salem NH MNCHNHCO23Z  073H TELNYX LLC 122   2022-12-15   
603-824 2 Salem NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2017-12-07   
603-824 3 Salem NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122   2014-10-31   
603-824 4 Salem NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2017-02-23   
603-824 5 Salem NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122   2022-01-07   
603-824 6 Salem NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2013-06-01   
603-824 8 Salem NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-04-10   
603-824 9 Salem NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-825 A Manchester NH MNCHNHACCMD  516J TON80 COMMUNICATIONS, LLC 122      
603-825 0 Manchester NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122   2022-09-16   
603-825 1 Manchester NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122   2022-09-16   
603-825 2 Manchester NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122   2022-09-16   
603-825 3 Manchester NH MNCHNHACCMD  516J TON80 COMMUNICATIONS, LLC 122   2022-03-14   
603-825 4 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-09-29   
603-825 5 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-05-27   
603-825 6 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-09-29   
603-825 7 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-09-29   
603-825 8 Manchester NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122   2022-09-16   
603-825 9 Manchester NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122   2022-09-16   
603-826 A Charlestown NH CHTWNHBRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-826 0 Charlestown NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-10-30   
603-826 1 Charlestown NH   829J PAETEC ITEL, LLC 122   2004-04-04   
603-826 2 Charlestown NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-826 3 Charlestown NH CHTWNHBRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-826 4 Charlestown NH CHTWNHBRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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