Local Calling Guide

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

NXX: 445

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-445 A North Walpole NH BLFLVTHERS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-445 0 North Walpole NH   8468 FREEDOM RING COMMUNICATIONS, LLC 122   2008-08-15   
603-445 2 North Walpole NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-445 4 North Walpole NH   9827 OTEL TELEKOM, INC. - NH 122   2002-09-19   
603-445 5 North Walpole NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-445 6 North Walpole NH   145J TERRA NOVA TELECOM INC. 122   2021-05-27   
603-445 7 North Walpole NH   318J COMCAST IP PHONE, LLC 122   2006-10-31   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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