Local Calling Guide

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Twin Mountain, NH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-846 A TWMTNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-846 2   145J TERRA NOVA TELECOM INC. 122   2021-05-28   
603-846 5 TWMTNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-846 6 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-05   
603-846 8 MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-846 9 TWMTNHYARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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