Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-612 A Plaistow NH NASHNH08AMD  4053 CONVERSENT COMMUNICATIONS OF NEW HAMPSHIRE, LLC 122      
603-612 0 Plaistow NH MNCHNHCOX9Y  2527 CHOICE ONE OF NEW HAMPSHIRE, INC. 122      
603-612 1 Plaistow NH MNCHNHCOX9Y  2698 CTC COMMUNICATIONS CORP. - NH 122      
603-612 4 Plaistow NH PTMONH07DS1  9827 OTEL TELEKOM, INC. - NH 122      
603-612 6 Plaistow NH NASHNH08AMD  4053 CONVERSENT COMMUNICATIONS OF NEW HAMPSHIRE, LLC 122      

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

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