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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
603-471 7 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-471 9 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 A Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 0 Bedford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2026-03-09   
603-472 1 Bedford NH   829J PAETEC ITEL, LLC 122   2001-09-10   
603-472 2 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 3 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 4 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 5 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 6 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 7 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 8 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-472 9 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-473 A Milton Mills NH MTMLNHWERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-473 1 Milton Mills NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-473 2 Milton Mills NH MTMLNHWERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-473 3 Milton Mills NH MNCHNHBO2MD  490J BOOST SUBSCRIBERCO L.L.C. 122   2023-10-28   
603-473 4 Milton Mills NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-473 5 Milton Mills NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2001-02-06   
603-473 6 Milton Mills NH MNCHNHCO23Z  073H TELNYX LLC 122   2024-08-02   
603-473 7 Milton Mills NH DOVRNHTHXMX  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-473 8 Milton Mills NH MTMLNHWERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-473 9 Milton Mills NH MTMLNHWERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2014-06-20   
603-474 A Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 0 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 1 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 2 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 3 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 4 Seabrook NH   829J PAETEC ITEL, LLC 122   2001-04-20   
603-474 5 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 6 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 7 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 8 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-474 9 Seabrook NH SBRKNHNRDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-475 A Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-476 A Center Sandwich NH MLBONHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-476 2 Center Sandwich NH MLBONHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-476 3 Center Sandwich NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-476 4 Center Sandwich NH   829J PAETEC ITEL, LLC 122   2016-07-20   
603-476 5 Center Sandwich NH MLBONHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-476 7 Center Sandwich NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-476 8 Center Sandwich NH MLBONHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-477 A Claremont NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-477 0 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 1 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 2 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 3 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 4 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 5 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 6 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 7 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 8 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-477 9 Claremont NH   6290 UNITED STATES CELLULAR - NH 122      
603-478 A Hillsboro Upper Village NH WEARNHXADS1  0039 GRANITE STATE TEL., INC. 122      
603-479 A Derry NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-480 A Manchester NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122      
603-481 A Plymouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 0 Plymouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 1 Plymouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 2 Plymouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 3 Plymouth NH   145J TERRA NOVA TELECOM INC. 122   2021-12-12   
603-481 5 Plymouth NH   6386 BELL ATLANTIC MOBILE, INC 122   2025-09-06   
603-481 6 Plymouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 7 Plymouth NH   829J PAETEC ITEL, LLC 122   2005-08-18   
603-481 8 Plymouth NH   829J PAETEC ITEL, LLC 122   2005-08-18   
603-482 A Errol NH ERRLNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-482 3 Errol NH ERRLNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-482 6 Errol NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-482 7 Errol NH   145J TERRA NOVA TELECOM INC. 122   2022-07-01   
603-482 9 Errol NH ERRLNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2014-06-20   
603-483 A Candia NH CANDNHDERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-483 0 Candia NH CANDNHDERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-483 1 Candia NH CANDNHDERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-483 2 Candia NH CANDNHDERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-483 3 Candia NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-03   
603-483 4 Candia NH   145J TERRA NOVA TELECOM INC. 122   2026-01-10   
603-483 5 Candia NH CANDNHDERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-483 6 Candia NH MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2002-11-15   
603-483 7 Candia NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2013-02-15   
603-483 8 Candia NH CANDNHDERS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-483 9 Candia NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2019-01-07   
603-484 A Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-484 0 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-09-18   
603-484 1 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2018-08-31   
603-484 2 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2020-09-23   
603-484 3 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2018-01-19   
603-484 4 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2016-12-16   
603-484 5 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2019-08-29   
603-484 6 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2019-04-29   
603-484 7 Nashua NH MNCHNHCO16Z  508J CENTURYLINK COMMUNICATIONS, LLC 122   2017-06-14   
603-484 8 Nashua NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2018-03-24   
603-484 9 Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2018-10-07   
603-485 A Suncook NH SNCKNHPARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 0 Suncook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2019-06-26   
603-485 1 Suncook NH SNCKNHPARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 2 Suncook NH SNCKNHPARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 3 Suncook NH SNCKNHPARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 4 Suncook NH SNCKNHPARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 5 Suncook NH SNCKNHPARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-485 6 Suncook NH SNCKNHPARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

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

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