Local Calling Guide

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

NXX: 259

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-259 A Littleton NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-259 0 Littleton NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122   2004-10-09   
603-259 1 Littleton NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-15   
603-259 2 Littleton NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122   2002-09-19   
603-259 4 Littleton NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-259 5 Littleton NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2022-10-06   
603-259 6 Littleton NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-12-04   
603-259 7 Littleton NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2007-01-05   
603-259 9 Littleton NH   145J TERRA NOVA TELECOM INC. 122   2024-02-02   

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

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