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: 593

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-593 A Jaffrey NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122      
603-593 0 Jaffrey NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122   2003-11-15   
603-593 1 Jaffrey NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2003-08-31   
603-593 2 Jaffrey NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2009-01-05   
603-593 3 Jaffrey NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-593 4 Jaffrey NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2011-10-07   
603-593 5 Jaffrey NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2006-10-31   
603-593 6 Jaffrey NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122   2007-06-04   
603-593 8 Jaffrey NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2016-08-24   
603-593 9 Jaffrey NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2014-02-18   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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