Local Calling Guide

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

NXX: 452

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-452 A Conway NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-452 0 Conway NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-452 1 Conway NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-452 4 Conway NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2012-04-17   
603-452 5 Conway NH MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2006-10-30   
603-452 6 Conway NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-452 7 Conway NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-04   
603-452 8 Conway NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-10-22   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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