Local Calling Guide

Area code/prefix search

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OCN: 3320 MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
603-428 A Henniker NH HNKRNHXARP0  122      
603-428 0 Henniker NH   122      
603-428 2 Henniker NH   122      
603-428 3 Henniker NH   122      
603-428 6 Henniker NH   122      
603-428 7 Henniker NH   122      
603-428 8 Henniker NH   122      
603-464 A Hillsboro NH HLBONHXARP0  122      
603-464 0 Hillsboro NH   122      
603-464 1 Hillsboro NH   122      
603-464 2 Hillsboro NH   122      
603-464 3 Hillsboro NH   122      
603-464 4 Hillsboro NH   122      
603-464 5 Hillsboro NH   122      
603-464 6 Hillsboro NH   122      
603-464 7 Hillsboro NH   122      
603-544 A Melvin Village NH MLVGNHXARP0  122      
603-544 0 Melvin Village NH   122      
603-544 2 Melvin Village NH   122      
603-588 A Antrim NH ANTRNHXARP0  122      
603-588 0 Antrim NH   122      
603-588 2 Antrim NH   122      
603-588 3 Antrim NH   122      
603-588 4 Antrim NH   122      
603-588 6 Antrim NH   122      
603-588 8 Antrim NH   122      

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

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