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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
603-459 5 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2006-11-02   
603-459 6 Nashua NH   829J PAETEC ITEL, LLC 122      
603-459 8 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2005-04-15   
603-459 9 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-04-01   
603-460 A Deerfield NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-460 2 Deerfield NH   145J TERRA NOVA TELECOM INC. 122   2025-08-30   
603-460 4 Deerfield NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122   2002-09-10   
603-460 5 Deerfield NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122   2016-04-08   
603-460 7 Deerfield NH   318J COMCAST IP PHONE, LLC 122   2025-10-03   
603-460 9 Deerfield NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-461 A Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-461 0 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2017-01-21   
603-461 1 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2008-12-15   
603-461 2 Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-461 3 Merrimack NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-07-10   
603-461 4 Merrimack NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2014-12-18   
603-461 5 Merrimack NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-05-08   
603-461 6 Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-461 8 Merrimack NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-08-20   
603-461 9 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-12-08   
603-462 A Deerfield NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-462 0 Deerfield NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-462 1 Deerfield NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-462 2 Deerfield NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-463 A Deerfield NH DRFDNHCCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-463 0 Deerfield NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-10   
603-463 1 Deerfield NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-463 3 Deerfield NH DRFDNHCCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-463 4 Deerfield NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-463 5 Deerfield NH DRFDNHCCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-463 6 Deerfield NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2003-03-23   
603-463 7 Deerfield NH DRFDNHCCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-463 8 Deerfield NH DRFDNHCCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-463 9 Deerfield NH DRFDNHCCRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-464 A Hillsboro NH HLBONHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 0 Hillsboro NH HLBONHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 1 Hillsboro NH HLBONHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 2 Hillsboro NH HLBONHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 3 Hillsboro NH HLBONHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 4 Hillsboro NH HLBONHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 5 Hillsboro NH HLBONHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 6 Hillsboro NH HLBONHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 7 Hillsboro NH HLBONHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 9 Hillsboro NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122   2004-07-27   
603-465 A Hollis NH HLLSNHXARP0  3321 HOLLIS TELEPHONE COMPANY, INC. 122      
603-465 0 Hollis NH HLLSNHXARP0  3321 HOLLIS TELEPHONE COMPANY, INC. 122      
603-465 1 Hollis NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-465 2 Hollis NH HLLSNHXARP0  3321 HOLLIS TELEPHONE COMPANY, INC. 122      
603-465 3 Hollis NH HLLSNHXARP0  3321 HOLLIS TELEPHONE COMPANY, INC. 122      
603-465 4 Hollis NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2025-08-22   
603-465 5 Hollis NH   145J TERRA NOVA TELECOM INC. 122   2025-07-11   
603-465 6 Hollis NH HLLSNHXARP0  3321 HOLLIS TELEPHONE COMPANY, INC. 122      
603-465 7 Hollis NH HLLSNHXARP0  3321 HOLLIS TELEPHONE COMPANY, INC. 122      
603-465 8 Hollis NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2010-07-07   
603-465 9 Hollis NH HLLSNHXARP0  3321 HOLLIS TELEPHONE COMPANY, INC. 122      
603-466 A Gorham NH GRHMNHLARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-466 1 Gorham NH   145J TERRA NOVA TELECOM INC. 122   2023-07-10   
603-466 2 Gorham NH GRHMNHLARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-466 3 Gorham NH GRHMNHLARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-466 4 Gorham NH PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122   2005-08-12   
603-466 5 Gorham NH GRHMNHLARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-466 7 Gorham NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-466 8 Gorham NH   829J PAETEC ITEL, LLC 122   2005-08-16   
603-466 9 Gorham NH GRHMNHLARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-467 A Manchester NH   700J WAVENATION, LLC 122      
603-467 0 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-467 1 Manchester NH   700J WAVENATION, LLC 122   2026-05-03   
603-467 7 Manchester NH   8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2025-08-22   
603-467 9 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122   2025-11-02   
603-468 A Seabrook NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-468 0 Seabrook NH MNCHNHCO23Z  073H TELNYX LLC 122   2024-07-04   
603-468 1 Seabrook NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-468 2 Seabrook NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2024-08-29   
603-468 3 Seabrook NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-468 4 Seabrook NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-468 9 Seabrook NH   145J TERRA NOVA TELECOM INC. 122   2025-10-21   
603-469 A Meriden NH MRDNNHXAPS0  0045 KEARSARGE TEL. CO. 122      
603-469 0 Meriden NH MRDNNHXAPS0  0045 KEARSARGE TEL. CO. 122      
603-469 2 Meriden NH MRDNNHXAPS0  0045 KEARSARGE TEL. CO. 122      
603-469 3 Meriden NH MRDNNHXAPS0  0045 KEARSARGE TEL. CO. 122      
603-469 9 Meriden NH   145J TERRA NOVA TELECOM INC. 122   2025-07-11   
603-470 A Concord NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-470 0 Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2014-03-22   
603-470 1 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2012-12-12   
603-470 2 Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2012-12-12   
603-470 3 Concord NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-470 4 Concord NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-470 5 Concord NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-470 6 Concord NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-470 7 Concord NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-470 8 Concord NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-470 9 Concord NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-471 A Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-471 0 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-471 1 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-471 2 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-471 3 Bedford NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-03   
603-471 4 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-471 5 Bedford NH MNCHNHCO23Z  073H TELNYX LLC 122   2023-01-15   
603-471 6 Bedford NH BDFRNHAMRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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