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: 724

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-724 A Concord NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-724 0 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-11-04   
603-724 1 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-01-02   
603-724 2 Concord NH   829J PAETEC ITEL, LLC 122      
603-724 3 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-01-02   
603-724 4 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-08-15   
603-724 5 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-06-02   
603-724 6 Concord NH   829J PAETEC ITEL, LLC 122      
603-724 7 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-09-02   
603-724 8 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-03-03   
603-724 9 Concord NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2006-02-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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