Local Calling Guide

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

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-420 A Merrimack NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      
603-420 0 Merrimack NH MNCHNHCO23Z  073H TELNYX LLC 122      
603-420 1 Merrimack NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122      
603-420 2 Merrimack NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-420 3 Merrimack NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122      
603-420 4 Merrimack NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122      
603-420 5 Merrimack NH NASHNH08AMD  4053 CONVERSENT COMMUNICATIONS OF NEW HAMPSHIRE, LLC 122      
603-420 7 Merrimack NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-420 8 Merrimack NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-420 9 Merrimack NH MNCHNHACDS0  7778 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH 122      

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

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