Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Contoocook, NH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
603-746 A CNTCNHXAPS0  0047 MERRIMACK COUNTY TEL. CO. 122      
603-746 0   318J COMCAST IP PHONE, LLC 122   2015-02-16   
603-746 1   318J COMCAST IP PHONE, LLC 122   2010-01-25   
603-746 2   0047 MERRIMACK COUNTY TEL. CO. 122      
603-746 3   0047 MERRIMACK COUNTY TEL. CO. 122      
603-746 4   0047 MERRIMACK COUNTY TEL. CO. 122      
603-746 5   0047 MERRIMACK COUNTY TEL. CO. 122      
603-746 6   0047 MERRIMACK COUNTY TEL. CO. 122      
603-746 8   0047 MERRIMACK COUNTY TEL. CO. 122      
603-746 9   0047 MERRIMACK COUNTY TEL. CO. 122      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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