Belknap County, website

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

Sheriff’s Office

42 County Drive
Laconia, NH 03246
Phone: (603) 527-5454
Fax: (603) 527-5469

Police Department

126 New Salem Street
Laconia, NH 03246
Phone: (603) 524-5257

County Court

64 Court Street
Laconia, NH 03246
Phone: (603) 524-3570

District Court

26 Academy Street
Laconia, NH 03246
Phone: (603) 524-4128

County Clerk

26 Academy Street
Laconia, NH 03246
Phone: (855) 212-1234

Treasurer

34 County Drive
Laconia, NH 03246
Phone: (603) 527-5400
Fax: (603) 527-5409

Tax Assessor-Collector

45 Beacon Street East
Laconia, NH 03246
Phone: (603) 527-1269

Belknap County Jail

76 County Drive
Laconia, NH 03246
Phone: (603) 527-5480
Fax: (603) 527-5489

Emergency Management

12 Center Street
Tilton, NH 03276
Phone: (603) 286-4781
Fax: (603) 286-4787

Fire Department

848 North Main Street
Laconia, NH 03246
Phone: (603) 524-6881
Fax: (603) 524-0437

Health Department

80 Highland Street
Laconia, NH 03246
Phone: (603) 524-3211

Human Services Department

34 County Drive
Laconia, NH 03246
Phone: (603) 527-5400
Fax: (603) 527-5409

Department of Education

345 Union Avenue
Laconia, NH 03246
Phone: (603) 524-3350