Local Calling Guide

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

NXX: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-380 A Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-380 0 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-380 1 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-380 2 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-380 3 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-380 4 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-380 5 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-380 6 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-380 7 Portsmouth NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-380 8 Portsmouth NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-380 9 Portsmouth NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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