Local Calling Guide

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

NXX: 505

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-505 A Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-505 0 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-505 1 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-505 2 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-505 3 Derry NH   145J TERRA NOVA TELECOM INC. 122      
603-505 4 Derry NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-505 5 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-505 6 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-505 7 Derry NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-505 8 Derry NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-505 9 Derry NH MNCHNHNI9MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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