Local Calling Guide

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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
603-956 0 Portsmouth NH MNCHNHAC3MD  939H COMMIO, LLC 122   2022-11-24   
603-956 1 Portsmouth NH MNCHNHCO23Z  073H TELNYX LLC 122   2022-12-15   
603-956 2 Portsmouth NH MNCHNHCO18Z  197D VONAGE AMERICA LLC 122   2022-09-23   
603-956 3 Portsmouth NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-09-29   
603-956 4 Portsmouth NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-09-29   
603-956 5 Portsmouth NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-12-23   
603-956 6 Portsmouth NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-08-20   
603-956 7 Portsmouth NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-05-08   
603-956 8 Portsmouth NH   8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2024-01-02   
603-956 9 Portsmouth NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-06-23   
603-957 A Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-957 0 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-957 1 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-957 2 Portsmouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2015-11-28   
603-957 3 Portsmouth NH DOVRNHTH8MD  2698 CTC COMMUNICATIONS CORP. - NH 122   2006-03-20   
603-957 4 Portsmouth NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2008-09-24   
603-957 5 Portsmouth NH PTMONH07DS1  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2009-07-15   
603-957 6 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2011-06-19   
603-957 7 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2011-06-19   
603-957 8 Portsmouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2009-07-03   
603-957 9 Portsmouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-02-17   
603-960 A Campton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-960 0 Campton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-03-16   
603-960 1 Campton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-07-03   
603-960 2 Campton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-10-03   
603-960 3 Campton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2023-12-14   
603-960 4 Campton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-05-14   
603-960 9 Campton NH MNCHNHCOXPZ  853C TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) 122   2012-10-02   
603-961 A Chichester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-961 0 Chichester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2010-01-25   
603-964 A Rye Beach NH RYBHNHCEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 0 Rye Beach NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2011-11-04   
603-964 1 Rye Beach NH RYBHNHCEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 2 Rye Beach NH RYBHNHCEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 3 Rye Beach NH RYBHNHCEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 4 Rye Beach NH RYBHNHCEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 5 Rye Beach NH RYBHNHCEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 6 Rye Beach NH RYBHNHCEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 7 Rye Beach NH RYBHNHCEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 8 Rye Beach NH RYBHNHCEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-964 9 Rye Beach NH RYBHNHCEDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-965 A Derry NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-965 0 Derry NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-965 1 Derry NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-965 2 Derry NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-10   
603-965 3 Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-965 4 Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-965 5 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-03-04   
603-965 6 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-07-02   
603-965 7 Derry NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2006-12-01   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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