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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
603-462 0 Deerfield NH   8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-462 1 Deerfield NH   8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-462 2 Deerfield NH   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   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-10   
603-463 1 Deerfield NH   314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-463 3 Deerfield NH   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   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-463 6 Deerfield NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2003-03-23   
603-463 7 Deerfield NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-463 8 Deerfield NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-463 9 Deerfield NH   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   3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 1 Hillsboro NH   3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 2 Hillsboro NH   3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 3 Hillsboro NH   3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 4 Hillsboro NH   3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 5 Hillsboro NH   3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 6 Hillsboro NH   3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 7 Hillsboro NH   3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-464 9 Hillsboro NH   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   3321 HOLLIS TELEPHONE COMPANY, INC. 122      
603-465 1 Hollis NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-465 2 Hollis NH   3321 HOLLIS TELEPHONE COMPANY, INC. 122      
603-465 3 Hollis NH   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   3321 HOLLIS TELEPHONE COMPANY, INC. 122      
603-465 7 Hollis NH   3321 HOLLIS TELEPHONE COMPANY, INC. 122      
603-465 8 Hollis NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2010-07-07   
603-465 9 Hollis NH   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   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-466 3 Gorham NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-466 4 Gorham NH   9827 OTEL TELEKOM, INC. - NH 122   2005-08-12   
603-466 5 Gorham NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-466 7 Gorham NH   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   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-467 A Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122   2025-04-07   
603-467 0 Manchester NH   6386 BELL ATLANTIC MOBILE, INC 122      
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   073H TELNYX LLC 122   2024-07-04   
603-468 1 Seabrook NH   8468 FREEDOM RING COMMUNICATIONS, LLC 122      

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

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