Local Calling Guide

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

NXX: 567

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-567 A Peterborough NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-567 0 Peterborough NH   073H TELNYX LLC 122      
603-567 4 Peterborough NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-567 5 Peterborough NH MNCHNHCOXAZ  4206 PAETEC COMMUNICATIONS, INC. - NH 122      
603-567 7 Peterborough NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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