Local Calling Guide

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

NXX: 942

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-942 A Northwood NH NWODNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-942 1 Northwood NH   145J TERRA NOVA TELECOM INC. 122   2021-12-12   
603-942 2 Northwood NH   4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2002-09-19   
603-942 5 Northwood NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-942 6 Northwood NH   314C IDT AMERICA, CORP. - NH 122   2008-04-18   
603-942 7 Northwood NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-942 8 Northwood NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-942 9 Northwood NH   5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

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

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