Local Calling Guide

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Warren, NH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-764 A WRRNNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-764 1   145J TERRA NOVA TELECOM INC. 122   2023-04-27   
603-764 5 WRRNNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-764 6 MNCHNHCO42Z  793K TWC IP ENABLED SERVICES, LLC 122   2012-10-02   
603-764 7 MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2004-09-05   
603-764 8   145J TERRA NOVA TELECOM INC. 122   2023-11-16   
603-764 9 WRRNNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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