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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
603-639 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-640 A Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-640 1 Hanover NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-640 2 Hanover NH   829J PAETEC ITEL, LLC 122   2001-03-26   
603-640 3 Hanover NH   9827 OTEL TELEKOM, INC. - NH 122   2005-01-20   
603-640 4 Hanover NH   829J PAETEC ITEL, LLC 122   2005-01-13   
603-640 6 Hanover NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-640 8 Hanover NH   829J PAETEC ITEL, LLC 122   2003-05-19   
603-640 9 Hanover NH   073H TELNYX LLC 122   2022-12-23   
603-641 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-642 A Kingston NH KGTNNHBADS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-642 1 Kingston NH   490J DISH WIRELESS, LLC 122   2023-10-27   
603-642 3 Kingston NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-642 4 Kingston NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-642 5 Kingston NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-642 6 Kingston NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-642 7 Kingston NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-642 8 Kingston NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-642 9 Kingston NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-643 A Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-644 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-645 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-646 A Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-647 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-648 A Salisbury NH SLBRNHXARP0  0045 KEARSARGE TEL. CO. 122      
603-648 0 Salisbury NH   0045 KEARSARGE TEL. CO. 122      
603-648 2 Salisbury NH   0045 KEARSARGE TEL. CO. 122      
603-648 6 Salisbury NH   0045 KEARSARGE TEL. CO. 122      
603-649 A Jaffrey NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-649 7 Jaffrey NH   318J COMCAST IP PHONE, LLC 122   2022-11-30   
603-650 A Hanover NH LBNNNHMSRSA  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-651 A Center Ossipee NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-651 0 Center Ossipee NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-651 1 Center Ossipee NH   793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-651 3 Center Ossipee NH   145J TERRA NOVA TELECOM INC. 122   2021-05-31   
603-651 5 Center Ossipee NH   6290 UNITED STATES CELLULAR - NH 122      
603-651 6 Center Ossipee NH   6290 UNITED STATES CELLULAR - NH 122      
603-651 7 Center Ossipee NH   6290 UNITED STATES CELLULAR - NH 122      
603-651 8 Center Ossipee NH   6290 UNITED STATES CELLULAR - NH 122      
603-651 9 Center Ossipee NH   6290 UNITED STATES CELLULAR - NH 122      
603-652 A Milton NH MLTNNHSIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-652 0 Milton NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-652 1 Milton NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-15   
603-652 3 Milton NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2003-03-23   
603-652 4 Milton NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-652 7 Milton NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-652 8 Milton NH   314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-652 9 Milton NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-653 A Hanover NH HNVRNHSCDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-653 0 Hanover NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

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

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