Local Calling Guide

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

NXX: 630

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-630 A Laconia NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-630 0 Laconia NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-630 1 Laconia NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-630 2 Laconia NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-630 3 Laconia NH   6386 BELL ATLANTIC MOBILE, INC 122      
603-630 4 Laconia NH   6386 BELL ATLANTIC MOBILE, INC 122   2003-10-03   
603-630 5 Laconia NH   6386 BELL ATLANTIC MOBILE, INC 122   2004-05-02   
603-630 6 Laconia NH   6386 BELL ATLANTIC MOBILE, INC 122   2005-09-20   
603-630 7 Laconia NH   6386 BELL ATLANTIC MOBILE, INC 122   2006-07-03   
603-630 8 Laconia NH   6386 BELL ATLANTIC MOBILE, INC 122   2005-05-02   
603-630 9 Laconia NH   6386 BELL ATLANTIC MOBILE, INC 122   2006-12-02   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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