Local Calling Guide

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

NXX: 530

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-530 A Bristol NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-530 0 Bristol NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-530 1 Bristol NH   6386 BELL ATLANTIC MOBILE, INC 122   2012-09-18   
603-530 2 Bristol NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-530 4 Bristol NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2014-11-10   
603-530 5 Bristol NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2014-11-10   
603-530 8 Bristol NH   073H TELNYX LLC 122   2024-06-30   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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