Merrimack County Post Office

Find Merrimack County New Hampshire post offices and USPS mailing boxes. Post offices provide information on bulk mail services, domestic mail delivery, international shipping, change of address, mail forwarding, PO boxes, and passport services.


Andover Post Office 164 Main St Rear Andover NH 03216 603-735-5483


Bradford Post Office 2219 Highway 114 Bradford NH 03221 603-938-2125

Canterbury Post Office 3 Center Road Canterbury NH 03224 603-783-4158

Concord Post Office 18 Loudon Road Concord NH 03301 603-225-0004

Contoocook Post Office 129 Park Avenue Hopkinton NH 03229 603-746-3980

Danbury Post Office 41 New Hampshire 104 Danbury NH 03230 603-768-3941

East Andover Post Office 770 Franklin Highway Andover NH 03216 603-735-5709

Elkins Post Office 349 Old Route 11 New London NH 03233 603-526-4591

Epsom Post Office 948 Suncook Valley Highway South Epsom NH 03234 603-736-9302

Franklin Post Office 65 Franklin Street Franklin NH 03235 603-934-3209

Henniker Post Office 10 Post Office Pl Henniker NH 03242 603-428-3285

Hill Post Office 20 Commerce Street Hill NH 03243 603-934-4940

Hooksett Post Office 1328 Hooksett Road Hooksett NH 03106 603-623-0373

New London Post Office 319 Newport Road New London NH 03257 603-526-4641

Newbury Post Office 976 New Hampshire 103 Newbury NH 03255 603-763-2560

North Sutton Post Office 1617 New Hampshire 114 North Sutton NH 03260 603-927-4640

Penacook Post Office 15 Village Street Concord NH 03303 603-753-4843

Pittsfield Post Office 2 Elm Street Pittsfield NH 03263 603-435-6281

Salisbury Post Office 269 Old Turnpike Road Salisbury NH 03268 603-648-2598

South Sutton Post Office 663 New Hampshire 114 Warner NH 03278 603-927-4561

Suncook Post Office 55 Glass Street Suncook NH 03275 603-485-3127

Warner Post Office 36 East Main Street Warner NH 03278 603-456-3524

Wilmot Post Office 60 Village Road Wilmot NH 03287 603-526-4852

About Post Offices

What Change of Address options are available?

Customers can request a temporary or permanent Change of Address either online or in person at the Post Office using PS Form 3575. The online application for Change of Address has a $1.00 identity validation fee.

Is it possible to insure mail and items sent via the USPS?

Yes. Standard mail can be insured for up to $5,000 for an additional fee. Registered mail items can be insured for up to $50,000.

What is the USPS Office of Inspector General?

The Office of Inspector General (OIG) is a division within the USPS responsible for ensuring the integrity and accountability of the postal service. It conducts investigations to safeguard the postal system and performs audits and reviews.