Local Calling Guide

Area code/prefix search

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OCN: 6290 UNITED STATES CELLULAR - NH

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
603-662 5 Conway NH MNCHNHCOX4Z  122      
603-662 6 Conway NH MNCHNHCOX4Z  122      
603-662 7 Conway NH MNCHNHCOX4Z  122      
603-662 8 Conway NH MNCHNHCOX4Z  122      
603-662 9 Conway NH MNCHNHCOX4Z  122      
603-680 0 Hillsboro NH MNCHNHCOX4Z  122      
603-680 1 Hillsboro NH MNCHNHCOX4Z  122      
603-680 9 Hillsboro NH MNCHNHCOX4Z  122   2016-06-02   
603-690 5 Claremont NH MNCHNHCOX4Z  122   2005-09-22   
603-723 A Berlin NH MNCHNHCOX4Z  122      
603-848 A Concord NH MNCHNHCOX4Z  122      
603-901 9 Conway NH MNCHNHCOX4Z  122   2018-01-02   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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