Local Calling Guide

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

NXX: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-391 A Manchester NH MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-391 0 Manchester NH MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-391 1 Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2004-09-29   
603-391 2 Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-03-04   
603-391 3 Manchester NH MNCHNHCOX1Y  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122   2004-01-18   
603-391 4 Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-05-02   
603-391 5 Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-06-02   
603-391 6 Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-08-01   
603-391 7 Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-08-01   
603-391 8 Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-01-02   
603-391 9 Manchester NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2005-01-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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