Hampshire County Post Office

Find Hampshire County Massachusetts 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.


Amherst Post Office 145 University Drive Amherst MA 01002 413-549-0523


Belchertown Post Office 35 Main Street Belchertown MA 01007 413-323-6619

Bondsville Post Office 3069 Main Street Belchertown MA 01007 413-283-3900

Chesterfield Post Office 6 South Street Chesterfield MA 01012 413-296-4200

Cummington Post Office 21 Main Street Cummington MA 01026 413-634-8867

Easthampton Post Office 191 Northampton Street Easthampton MA 01027 413-527-0060

Florence Post Office 123 Main Street Northampton MA 01062 413-584-5152

Goshen Post Office 33C Main Street Williamsburg MA 01096 413-268-3626

Granby Post Office 63 West State Street Granby MA 01033 413-467-7099

Hadley Post Office 186 Russell Street Hadley MA 01035 413-586-0961

Hatfield Post Office 7 School Street Hatfield MA 01038 413-247-5129

Haydenville Post Office 140 Main Street Williamsburg MA 01039 413-268-7280

Huntington Post Office 16 Russell Road Huntington MA 01050 413-667-3611

Leeds Post Office 24 Mulberry Street Northampton MA 01053 413-584-1078

Middlefield Post Office 6 Bell Road Middlefield MA 01243 413-623-8930

N Pleasant St Station Post Office 141 North Pleasant Street Amherst MA 01002 413-256-0200

North Hatfield Post Office 162 Depot Road Hatfield MA 01038 413-247-9283

Northampton Post Office 37 Bridge Street Northampton MA 01060 413-584-0960

Plainfield Post Office 6 South Central Street Plainfield MA 01070 413-634-2145

South Hadley Post Office 1 Hadley Street South Hadley MA 01075 413-538-8686

Southampton Post Office 8 Pomeroy Meadow Road Southampton MA 01073 413-527-4666

US Post Office 15 Montague Road Amherst MA 01002 413-549-0418

Ware Post Office 165 West Ware Road Ware MA 01082 413-967-9914

Williamsburg Post Office 1 Williams Street Williamsburg MA 01096 413-268-7274

Worthington Post Office 2 Packard Common Worthington MA 01098 413-238-7750

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.