Coös County, website

Coös 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 Coös County, including the Clerk’s Office, Sheriff’s Office, and the Health Department. 

Sheriff’s Office

55 School Street, Suite 102
Lancaster, New Hampshire 03584
Phone: (603) 788-5598
Fax: (603) 788-2437

Police Department

11 Mechanic Street
Lancaster, New Hampshire 03584
Phone: (603) 788-4402

County Court

55 School Street
Lancaster, New Hampshire 03584
Phone: (603) 788-4702

District Court

55 School Street
Lancaster, New Hampshire 03584
Phone: (603) 788-4485

County Clerk

55 School Street
Lancaster, New Hampshire 03584
Phone: (855) 212-1234

Treasurer

168 Main Street
Berlin, NH 03570
Phone: (603) 752-6350

Tax Assessor-Collector

92 School Street
Carroll, New Hampshire 03595
Phone: (603) 846-5494

Coös County Jail

1 Success Loop Road
Berlin, New Hampshire 03570
Phone: (603) 342-4000

Emergency Management

19 Mechanic Street
Lancaster, New Hampshire 03584
Phone: (603) 788-4026
Fax: (603) 788-3921

Fire Department

19 Mechanic Street
Lancaster, New Hampshire 03584
Phone: (603) 788-4026
Fax: (603) 788-3921

Health Department

173 Middle Street
Lancaster, New Hampshire 03584
Phone: (603) 788-4911

Department of Education

123 Main Street
Gorham, New Hampshire 35810
Phone: (603) 466-3632