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Phone Directory 603-428 Detail

State Major City Time Zone
New Hampshire Manchester Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
603-428 Henniker, NH Merrimack Co. Telephone Co., DBA Contoocook Valley Merrimack Landline 02/04/1994

Other Series For Prefixes

603-4280###
603-4281###
603-4282###
603-4283###
603-4284###
603-4285###
603-4286###
603-4287###
603-4288###
603-4289###