Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-254 A Plymouth NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 0 Plymouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2013-03-12   
603-254 1 Plymouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2015-05-13   
603-254 2 Plymouth NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 3 Plymouth NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 4 Plymouth NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 5 Plymouth NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 6 Plymouth NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 7 Plymouth NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 8 Plymouth NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-254 9 Plymouth NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      

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

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