Local Calling Guide

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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 MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-790 0 West Lebanon NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-12-12   
603-790 1 West Lebanon NH   829J PAETEC ITEL, LLC 122   2004-11-19   
603-790 2 West Lebanon NH   6386 BELL ATLANTIC MOBILE, INC 122   2025-02-19   
603-790 3 West Lebanon NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-01-19   
603-790 4 West Lebanon NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122   2002-09-21   
603-790 5 West Lebanon NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2023-06-28   
603-790 6 West Lebanon NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2019-09-19   
603-790 7 West Lebanon NH   6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2025-04-10   
603-790 8 West Lebanon NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2007-01-12   
603-790 9 West Lebanon NH   829J PAETEC ITEL, LLC 122   2003-07-15   

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

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