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: 790

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-790 A West Lebanon NH HKSTNHECCM0  6386 BELL ATLANTIC NYNEX MOBILE 122      
603-790 0 West Lebanon NH HKSTNHECCM0  6386 BELL ATLANTIC NYNEX MOBILE 122   2008-12-12   
603-790 1 West Lebanon NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122   2004-11-19   
603-790 3 West Lebanon NH HKSTNHECCM0  6386 BELL ATLANTIC NYNEX MOBILE 122   2017-01-19   
603-790 4 West Lebanon NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122   2002-09-21   
603-790 6 West Lebanon NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2019-09-19   
603-790 8 West Lebanon NH MNCHNHIE6MD  318J COMCAST IP PHONE LLC 122   2007-01-12   
603-790 9 West Lebanon NH MNCHNHCOX9Y  4286 LIGHTSHIP TELECOM, LLC - NH 122   2003-07-15   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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