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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
603-964 3 Rye Beach NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 4 Rye Beach NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 5 Rye Beach NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 6 Rye Beach NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 7 Rye Beach NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 8 Rye Beach NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 9 Rye Beach NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-965 A Derry NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-965 0 Derry NH   829J PAETEC ITEL, LLC 122      
603-965 1 Derry NH   829J PAETEC ITEL, LLC 122      
603-965 2 Derry NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-10   
603-965 3 Derry NH   318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-965 4 Derry NH   318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-965 5 Derry NH   6386 BELL ATLANTIC MOBILE, INC 122   2005-03-04   
603-965 6 Derry NH   6386 BELL ATLANTIC MOBILE, INC 122   2005-07-02   
603-965 7 Derry NH   829J PAETEC ITEL, LLC 122   2006-12-01   
603-965 8 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2005-09-30   
603-965 9 Derry NH   829J PAETEC ITEL, LLC 122      
603-966 A Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-966 0 Nashua NH   6386 BELL ATLANTIC MOBILE, INC 122   2011-08-01   
603-966 1 Nashua NH   829J PAETEC ITEL, LLC 122   2003-09-08   
603-966 2 Nashua NH   829J PAETEC ITEL, LLC 122   2003-09-08   
603-966 3 Nashua NH   829J PAETEC ITEL, LLC 122   2003-09-08   
603-966 4 Nashua NH   829J PAETEC ITEL, LLC 122   2003-09-08   
603-966 5 Nashua NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2005-09-24   
603-966 6 Nashua NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-966 7 Nashua NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-966 8 Nashua NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2005-11-17   
603-966 9 Nashua NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2014-10-27   
603-967 A Hampton NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-967 4 Hampton NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-967 8 Hampton NH   318J COMCAST IP PHONE, LLC 122   2019-07-05   
603-968 A Ashland NH ASLDNHHIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-968 0 Ashland NH   996E BANDWIDTH.COM CLEC, LLC - NH 122   2002-09-10   
603-968 1 Ashland NH   145J TERRA NOVA TELECOM INC. 122   2023-01-04   
603-968 2 Ashland NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-968 3 Ashland NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-968 4 Ashland NH   145J TERRA NOVA TELECOM INC. 122   2024-06-27   
603-968 5 Ashland NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-03   
603-968 6 Ashland NH   314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-968 7 Ashland NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-968 9 Ashland NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-969 A Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2024-02-09   
603-969 0 Portsmouth NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-969 1 Portsmouth NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-969 2 Portsmouth NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-969 3 Portsmouth NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-969 4 Portsmouth NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-969 5 Portsmouth NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-969 6 Portsmouth NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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