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: 965

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-965 A Derry NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-965 0 Derry NH   829J PAETEC ITEL, LLC 122      
603-965 1 Derry NH   829J PAETEC ITEL, LLC 122      
603-965 2 Derry NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-10   
603-965 3 Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-965 4 Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-11-30   
603-965 5 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-03-04   
603-965 6 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-07-02   
603-965 7 Derry NH   829J PAETEC ITEL, LLC 122   2006-12-01   
603-965 8 Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2005-09-30   
603-965 9 Derry NH   829J PAETEC ITEL, LLC 122      

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

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