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: 973

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-973 A Rochester NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-973 0 Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2011-08-05   
603-973 1 Rochester NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-973 2 Rochester NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-973 3 Rochester NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-973 4 Rochester NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-973 5 Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2013-12-09   
603-973 6 Rochester NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-973 7 Rochester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2012-09-22   
603-973 9 Rochester NH MNCHNHCOCM1  5562 METROPCS, INC. 122      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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