Local Calling Guide

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

NXX: 481

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-481 A Plymouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 0 Plymouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 1 Plymouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 2 Plymouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 3 Plymouth NH   145J TERRA NOVA TELECOM INC. 122   2021-12-12   
603-481 6 Plymouth NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-481 7 Plymouth NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2005-08-18   
603-481 8 Plymouth NH MNCHNHCOXMX  4206 PAETEC COMMUNICATIONS, INC. - NH 122   2005-08-18   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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