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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
603-416 2 Raymond NH   073H TELNYX LLC 122   2022-12-23   
603-416 3 Raymond NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2023-07-08   
603-416 4 Raymond NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2023-09-22   
603-416 5 Raymond NH   6386 BELL ATLANTIC MOBILE, INC 122   2024-08-30   
603-416 6 Raymond NH   5562 METROPCS, INC. 122   2024-02-11   
603-416 7 Raymond NH   6386 BELL ATLANTIC MOBILE, INC 122   2025-04-11   
603-416 8 Raymond NH   939H COMMIO, LLC 122   2022-06-12   
603-416 9 Raymond NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2019-02-23   
603-417 A Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-417 0 Nashua NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2016-07-11   
603-417 1 Nashua NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2017-11-21   
603-417 2 Nashua NH   318J COMCAST IP PHONE, LLC 122   2016-01-01   
603-417 3 Nashua NH   318J COMCAST IP PHONE, LLC 122   2016-03-07   
603-417 4 Nashua NH   996E BANDWIDTH.COM CLEC, LLC - NH 122   2016-04-07   
603-417 5 Nashua NH   318J COMCAST IP PHONE, LLC 122   2016-09-08   
603-417 6 Nashua NH   318J COMCAST IP PHONE, LLC 122   2015-09-24   
603-417 7 Nashua NH   318J COMCAST IP PHONE, LLC 122   2015-11-26   
603-417 8 Nashua NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2015-10-20   
603-417 9 Nashua NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2015-06-14   
603-418 A Exeter NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-418 0 Exeter NH   829J PAETEC ITEL, LLC 122   2000-05-24   
603-418 1 Exeter NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2024-11-17   
603-418 2 Exeter NH   8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2004-02-24   
603-418 3 Exeter NH   829J PAETEC ITEL, LLC 122   2006-06-26   
603-418 4 Exeter NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-418 5 Exeter NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-08-21   
603-418 6 Exeter NH   829J PAETEC ITEL, LLC 122      
603-418 7 Exeter NH   318J COMCAST IP PHONE, LLC 122   2014-09-16   
603-418 8 Exeter NH   829J PAETEC ITEL, LLC 122   2000-05-30   
603-418 9 Exeter NH   829J PAETEC ITEL, LLC 122   2000-07-03   
603-419 A Suncook NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-419 0 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-419 1 Suncook NH   6386 BELL ATLANTIC MOBILE, INC 122   2018-06-04   
603-419 2 Suncook NH   6386 BELL ATLANTIC MOBILE, INC 122   2019-04-25   
603-419 3 Suncook NH   6386 BELL ATLANTIC MOBILE, INC 122   2019-04-25   
603-419 5 Suncook NH   6386 BELL ATLANTIC MOBILE, INC 122   2019-06-11   
603-419 6 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-419 7 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-419 8 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-419 9 Suncook NH   6290 UNITED STATES CELLULAR - NH 122      
603-420 A Merrimack NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-420 0 Merrimack NH   073H TELNYX LLC 122   2022-10-21   
603-420 1 Merrimack NH   829J PAETEC ITEL, LLC 122   2001-09-24   
603-420 2 Merrimack NH   637E ONVOY, LLC - NH 122   2023-03-31   
603-420 4 Merrimack NH   145J TERRA NOVA TELECOM INC. 122   2025-10-29   
603-420 5 Merrimack NH   829J PAETEC ITEL, LLC 122   2006-05-01   
603-420 7 Merrimack NH   637E ONVOY, LLC - NH 122   2022-12-02   
603-420 8 Merrimack NH   318J COMCAST IP PHONE, LLC 122   2009-03-22   
603-420 9 Merrimack NH   7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-421 A Derry NH DRRYNHEBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-421 0 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-421 1 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-421 2 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-421 3 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-421 4 Derry NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-421 5 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-421 6 Derry NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2010-10-02   
603-421 7 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2011-11-21   
603-421 8 Derry NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2012-10-12   
603-421 9 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-422 A Portsmouth NH PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-422 0 Portsmouth NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-422 1 Portsmouth NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-422 2 Portsmouth NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2011-03-29   
603-422 3 Portsmouth NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2011-03-29   
603-422 4 Portsmouth NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2011-11-22   
603-422 5 Portsmouth NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2011-11-22   
603-422 6 Portsmouth NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-422 7 Portsmouth NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-422 8 Portsmouth NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-422 9 Portsmouth NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-423 A Merrimack NH MRMCNHYADS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-423 0 Merrimack NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-423 1 Merrimack NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-423 2 Merrimack NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-423 3 Merrimack NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-423 4 Merrimack NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-423 5 Merrimack NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-423 6 Merrimack NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-423 7 Merrimack NH   637E ONVOY, LLC - NH 122   2024-08-09   
603-423 8 Merrimack NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-423 9 Merrimack NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-424 A Merrimack NH MRMCNHYADS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-425 A Derry NH DRRYNHEBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-425 0 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-425 1 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-425 2 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-425 3 Derry NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-425 4 Derry NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-425 5 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-425 6 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-425 7 Derry NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-425 8 Derry NH   6386 BELL ATLANTIC MOBILE, INC 122   2007-09-18   
603-425 9 Derry NH   6386 BELL ATLANTIC MOBILE, INC 122   2009-08-01   
603-426 A Derry NH DRRYNHEBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-426 0 Derry NH   145J TERRA NOVA TELECOM INC. 122   2024-08-07   
603-426 1 Derry NH   6386 BELL ATLANTIC MOBILE, INC 122   2024-07-31   
603-426 2 Derry NH   6386 BELL ATLANTIC MOBILE, INC 122   2024-09-11   
603-426 3 Derry NH   6386 BELL ATLANTIC MOBILE, INC 122   2025-02-18   
603-426 4 Derry NH   145J TERRA NOVA TELECOM INC. 122   2025-04-09   

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

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