Local Calling Guide

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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 242

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-242 A Troy NH TROYNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-242 0 Troy NH MNCHNHCOX9Y  4285 LIGHTSHIP TELECOM, LLC 122   2002-10-14   
603-242 1 Troy NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-12   
603-242 2 Troy NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-05   
603-242 3 Troy NH TROYNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-242 4 Troy NH   145J TERRA NOVA TELECOM INC. 122   2021-05-28   
603-242 5 Troy NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2017-09-17   
603-242 6 Troy NH TROYNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-242 7 Troy NH TROYNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-242 8 Troy NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2017-09-17   
603-242 9 Troy NH TROYNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122   2014-06-21   

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

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