Local Calling Guide

Area code/prefix search

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OCN: 631H ENHANCED COMMUNICATIONS OF NORTHERN NEW ENGLAND-NH

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
603-680 A Hillsboro NH MNCHNHCOPS1  122      
603-680 3 Hillsboro NH MNCHNHCOPS1  122   2016-08-02   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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