Local Calling Guide

Area code/prefix search

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

NXX: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-544 A Melvin Village NH MLVGNHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-544 0 Melvin Village NH MLVGNHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-544 2 Melvin Village NH MLVGNHXARP0  3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY 122      
603-544 5 Melvin Village NH DOVRNHTHXMX  793K TWC IP ENABLED SERVICES, LLC 122   2018-05-21   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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