Local Calling Guide

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


NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-574 A Alstead NH MNCHNHNIDS0  4017 LEVEL 3 COMMUNICATIONS - NH 122      
603-574 4 Alstead NH   4017 LEVEL 3 COMMUNICATIONS - NH 122      

Last updated: Sat, 14 Sep 2019 01:44:23 UTC

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