Grafton County, website

Grafton County in New Hampshire uses area code 603. On this page, you will see the physical addresses and contact information of the most relevant government agencies in Grafton County, including the Clerk’s Office, Sheriff’s Office, and the Health Department. 

Sheriff’s Office

3785 Dartmouth College Highway
North Haverhill, New Hampshire 03774
Phone: (603) 787-2111

Police Department

7 Library Road
Grafton, New Hampshire 03240
Phone: (603) 523-7667

County Court

3785 Dartmouth College Highway
Haverhill, New Hampshire 03774
Phone: (603) 787-6961

District Court

3785 Dartmouth College Highway
Haverhill, New Hampshire 03774
Phone: (603) 787-6626

County Clerk

3785 Dartmouth College Highway
Haverhill, New Hampshire 03774
Phone: (855) 212-1234

Treasurer

125 Main Street
Littleton, New Hampshire 03561
Phone: (603) 444-3996
Fax: (603) 444-1703

Tax Assessor-Collector

41 South Main Street
Hanover, New Hampshire 2029
Phone: (603) 643-0703

Grafton County Jail

3865 Dartmouth College Highway
Haverhill, New Hampshire 03774
Phone: (603) 787-2019
Fax: (603) 787-2022

Emergency Management

4910 Dartmouth College Highway
Haverhill, New Hampshire 03785
Phone: (603) 747-3311

Fire Department

5 Library Road
Grafton, New Hampshire 03240
Phone: (603) 523-7500

Health Department

134 Main Street
Littleton, NH 3561
Phone: (603) 444-5663

Human Services Department

3855 Dartmouth College Highway
North Haverhill, NH 03774
Phone: (603) 787-2034