Local Calling Guide

Area code/prefix search

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

NXX: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-290 A Concord NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-290 0 Concord NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2008-10-30   
603-290 1 Concord NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2008-10-30   
603-290 2 Concord NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2008-10-30   
603-290 3 Concord NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2008-09-19   
603-290 4 Concord NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-11-11   
603-290 5 Concord NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2010-09-27   
603-290 6 Concord NH MNCHNHBO2MD  490J DISH WIRELESS, LLC 122   2023-10-27   
603-290 7 Concord NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-290 8 Concord NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-290 9 Concord NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2016-12-10   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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