Local Calling Guide

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

NXX: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-331 A Colebrook NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-331 0 Colebrook NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122      
603-331 1 Colebrook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-331 2 Colebrook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-331 3 Colebrook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-331 4 Colebrook NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-331 5 Colebrook NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-331 6 Colebrook NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      

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

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