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
603-573 0 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-09-01   
603-573 1 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-10-01   
603-573 2 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2012-12-12   
603-573 3 Concord NH MNCHNHCO37Z  7421 AT&T - LOCAL 122   2000-12-15   
603-573 4 Concord NH MNCHNHCO37Z  7421 AT&T - LOCAL 122   2002-09-09   
603-573 5 Concord NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2007-07-09   
603-573 6 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-01-31   
603-573 7 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2012-12-12   
603-573 8 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-09-19   
603-573 9 Concord NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-574 A Alstead NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-574 0 Alstead NH MNCHNHAC3MD  939H COMMIO, LLC 122   2022-11-05   
603-574 4 Alstead NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-575 A Littleton NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-575 0 Littleton NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2019-05-17   
603-575 1 Littleton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2019-07-08   
603-575 5 Littleton NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-575 6 Littleton NH   829J PAETEC ITEL, LLC 122   2013-10-21   
603-575 7 Littleton NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2025-03-14   
603-575 9 Littleton NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-576 A Orford NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-576 2 Orford NH   145J TERRA NOVA TELECOM INC. 122   2021-12-12   
603-576 4 Orford NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-577 A Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-577 0 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2015-05-01   
603-577 1 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-12-20   
603-577 2 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-577 3 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-577 4 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-577 5 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-577 6 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-577 7 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-577 8 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-577 9 Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-578 A Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-579 A Nashua NH NASHNHWPDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-580 A Exeter NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-580 1 Exeter NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-580 2 Exeter NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-580 3 Exeter NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2022-08-29   
603-580 4 Exeter NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2012-07-20   
603-580 5 Exeter NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-580 6 Exeter NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2003-01-01   
603-580 7 Exeter NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2003-01-01   
603-580 8 Exeter NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2003-01-06   
603-580 9 Exeter NH   829J PAETEC ITEL, LLC 122   2006-03-14   
603-581 A Laconia NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-581 0 Laconia NH   829J PAETEC ITEL, LLC 122      
603-581 1 Laconia NH   829J PAETEC ITEL, LLC 122   2004-11-28   
603-581 2 Laconia NH   829J PAETEC ITEL, LLC 122   2000-08-08   
603-581 3 Laconia NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2015-05-13   
603-581 4 Laconia NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2007-12-14   
603-581 5 Laconia NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-01-14   
603-581 6 Laconia NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-03-03   
603-581 7 Laconia NH   829J PAETEC ITEL, LLC 122      
603-581 8 Laconia NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2007-08-02   
603-581 9 Laconia NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2007-08-02   
603-582 A Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-583 A Exeter NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-583 0 Exeter NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2010-05-03   
603-583 1 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2010-07-06   
603-583 2 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2011-02-10   
603-583 3 Exeter NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2009-06-01   
603-583 4 Exeter NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-583 5 Exeter NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2009-09-09   
603-583 6 Exeter NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2011-03-25   
603-583 7 Exeter NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-12-04   
603-583 8 Exeter NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-06-30   
603-583 9 Exeter NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2011-12-08   
603-584 A Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-584 0 Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2021-09-23   
603-584 1 Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2021-09-23   
603-584 2 Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2021-09-23   
603-584 3 Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2021-11-04   
603-584 4 Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-11-13   
603-584 5 Concord NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2021-11-15   
603-584 6 Concord NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2021-12-25   
603-584 7 Concord NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2021-10-06   
603-584 8 Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2021-09-23   
603-584 9 Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2021-09-02   
603-585 A Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-585 0 Fitzwilliam NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-10   
603-585 1 Fitzwilliam NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2024-01-01   
603-585 2 Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-585 3 Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-585 4 Fitzwilliam NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-585 5 Fitzwilliam NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-585 6 Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-585 7 Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-585 9 Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-586 A Jefferson NH JFSNNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-586 0 Jefferson NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-15   
603-586 4 Jefferson NH JFSNNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-586 5 Jefferson NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2003-03-23   
603-586 6 Jefferson NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-586 7 Jefferson NH JFSNNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-586 9 Jefferson NH JFSNNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2014-06-20   
603-587 A Candia NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-587 0 Candia NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2000-07-01   
603-587 1 Candia NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2019-03-14   

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

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