Local Calling Guide

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

NXX: 341

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-341 A Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-341 0 Merrimack NH MNCHNHNI9MD  5562 METROPCS, INC. 122   2008-12-15   
603-341 1 Merrimack NH MNCHNHNI9MD  5562 METROPCS, INC. 122   2008-12-15   
603-341 2 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-09-02   
603-341 3 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-02-14   
603-341 4 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-12-17   
603-341 5 Merrimack NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-341 6 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2016-01-22   
603-341 7 Merrimack NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-08-02   
603-341 8 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-06-28   
603-341 9 Merrimack NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-10-01   

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

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