Local Calling Guide

Area code/prefix search

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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-499 A Keene NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-499 0 Keene NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122   2003-12-30   
603-499 1 Keene NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122   2003-12-30   
603-499 2 Keene NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122   2003-12-30   
603-499 3 Keene NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122   2003-12-30   
603-499 4 Keene NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-499 5 Keene NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122   2003-12-30   
603-499 6 Keene NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122   2003-12-30   
603-499 7 Keene NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-07-15   
603-499 8 Keene NH MNCHNHCOXPZ  853C TIME WARNER CABLE INFORMATION SVCS (NEW HAMPSHIRE) 122   2014-11-05   
603-499 9 Keene NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2023-02-10   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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