Local Calling Guide

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

NXX: 585

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-585 A Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-585 0 Fitzwilliam NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-10   
603-585 1 Fitzwilliam NH MNCHNHCOXPZ  853C TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) 122   2024-01-01   
603-585 2 Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-585 3 Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-585 4 Fitzwilliam NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-585 5 Fitzwilliam NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-585 6 Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-585 7 Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-585 9 Fitzwilliam NH FTZWNHUTRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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