Local Calling Guide

Area code/prefix search

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Center Barnstead, NH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-269 A CNBNNHXARP0  0049 UNION TEL. CO. 122      
603-269 0   0049 UNION TEL. CO. 122      
603-269 3   145J TERRA NOVA TELECOM INC. 122   2025-07-11   
603-813 A ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122      
603-813 0   939H COMMIO, LLC 122   2022-02-17   
603-813 1   939H COMMIO, LLC 122   2022-02-17   
603-813 2   314C IDT AMERICA, CORP. - NH 122   2009-12-18   
603-813 3   318J COMCAST IP PHONE, LLC 122   2025-10-17   
603-813 5   490J DISH WIRELESS, LLC 122   2023-10-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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