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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
603-916 9 Meredith NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2024-03-17   
603-918 A Hampton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-918 0 Hampton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-918 1 Hampton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-11-03   
603-918 2 Hampton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-09-01   
603-918 3 Hampton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-02-11   
603-918 4 Hampton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2012-11-11   
603-918 6 Hampton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-918 7 Hampton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-918 8 Hampton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-918 9 Hampton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-919 A Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-919 0 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-08-19   
603-919 1 Rochester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-08-20   
603-919 2 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2024-05-15   
603-919 3 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2026-01-07   
603-919 4 Rochester NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2025-12-01   
603-919 7 Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2023-11-25   
603-919 8 Rochester NH MNCHNHCO23Z  073H TELNYX LLC 122   2023-10-16   
603-919 9 Rochester NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2023-08-21   
603-921 A Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-921 0 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2009-09-05   
603-921 1 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2009-11-28   
603-921 2 Nashua NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2010-10-26   
603-921 3 Nashua NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2016-07-06   
603-921 4 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-08-01   
603-921 5 Nashua NH MNCHNHCO43Z  792K CHARTER IP ENABLED SERVICES, LLC 122   2012-05-24   
603-921 6 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2012-08-01   
603-921 7 Nashua NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2011-06-20   
603-921 8 Nashua NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2011-06-20   
603-921 9 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-07-01   
603-922 A North Stratford NH NSFRNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-922 2 North Stratford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2019-11-17   
603-922 3 North Stratford NH NSFRNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-922 4 North Stratford NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-922 7 North Stratford NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-02   
603-922 9 North Stratford NH NSFRNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2014-06-21   
603-923 A Rochester NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-923 0 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2012-06-17   
603-923 1 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-02-03   
603-923 2 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2012-11-01   
603-923 3 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2010-05-03   
603-923 4 Rochester NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-923 5 Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2012-09-01   
603-923 7 Rochester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-06-28   
603-923 8 Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2010-04-12   
603-923 9 Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-06-08   
603-924 A Peterborough NH PTRBNHCORS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-925 A Peterborough NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-925 0 Peterborough NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-925 1 Peterborough NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-925 2 Peterborough NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-925 3 Peterborough NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-925 4 Peterborough NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-925 6 Peterborough NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2021-12-11   
603-925 9 Peterborough NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-926 A Hampton NH HMPNNHWIDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-927 A Sutton NH STTNNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-927 0 Sutton NH STTNNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-927 1 Sutton NH STTNNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-927 2 Sutton NH STTNNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-927 4 Sutton NH STTNNHXARP0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-927 6 Sutton NH   145J TERRA NOVA TELECOM INC. 122   2025-07-11   
603-928 A Suncook NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-928 0 Suncook NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-928 1 Suncook NH   6386 BELL ATLANTIC MOBILE, INC 122   2025-08-29   
603-928 3 Suncook NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-928 4 Suncook NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-928 7 Suncook NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-05   
603-928 8 Suncook NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-928 9 Suncook NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-929 A Hampton NH HMPNNHWIDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-930 A Nashua NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-931 A Concord NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-931 0 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-01-29   
603-931 2 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-03-29   
603-931 3 Concord NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122   2015-07-05   
603-931 4 Concord NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122   2016-04-07   
603-931 5 Concord NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122   2015-07-31   
603-931 6 Concord NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2015-10-18   
603-931 7 Concord NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2015-10-18   
603-931 8 Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2016-02-06   
603-931 9 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-06-19   
603-932 A Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-932 0 Manchester NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2019-01-19   
603-932 1 Manchester NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2008-08-20   
603-932 2 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2015-06-11   
603-932 3 Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2018-08-13   
603-932 4 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2019-10-15   
603-932 5 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2019-10-15   
603-932 6 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2018-09-11   
603-932 7 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2018-08-02   
603-932 8 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2018-04-14   
603-932 9 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2018-04-14   
603-933 A Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-933 0 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-09-12   
603-933 1 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-05-01   
603-933 2 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-10-05   
603-933 3 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-12-04   
603-933 4 Greenfield NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-11-10   

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Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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