Local Calling Guide

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

NXX: 327

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-327 A Salem NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-327 0 Salem NH   829J PAETEC ITEL, LLC 122      
603-327 1 Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2015-06-01   
603-327 2 Salem NH   145J TERRA NOVA TELECOM INC. 122   2026-03-23   
603-327 3 Salem NH   6386 BELL ATLANTIC MOBILE, INC 122   2026-03-09   
603-327 4 Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2008-03-03   
603-327 5 Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2011-03-04   
603-327 6 Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2014-04-01   
603-327 7 Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-07-02   
603-327 8 Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2013-06-28   
603-327 9 Salem NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2012-05-01   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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