Local Calling Guide

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

NXX: 513

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-513 A Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-513 0 Concord NH PTMONH073MD  9827 OTEL TELEKOM, INC. - NH 122      
603-513 1 Concord NH   829J PAETEC ITEL, LLC 122   2005-05-19   
603-513 2 Concord NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122      
603-513 3 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2015-05-01   
603-513 5 Concord NH   829J PAETEC ITEL, LLC 122   2006-05-19   
603-513 6 Concord NH   829J PAETEC ITEL, LLC 122   2005-11-01   
603-513 7 Concord NH   829J PAETEC ITEL, LLC 122   2006-05-19   
603-513 8 Concord NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2007-12-17   
603-513 9 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-06-01   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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