Local Calling Guide

Area code/prefix search

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

NXX: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-297 A Center Ossipee NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-297 0 Center Ossipee NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-297 1 Center Ossipee NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-297 2 Center Ossipee NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-297 4 Center Ossipee NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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