Barnstable County Post Office

Find Barnstable 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.


Barnstable Post Office 3230 Main Street Barnstable MA 02630 508-362-2413


Bourne Station Post Office 49 Sandwich Road Bourne MA 02532 508-759-0847

Brewster Post Office 260 Underpass Road Brewster MA 02631 508-896-8377

Buzzards Bay Post Office 220 Main Street Bourne MA 02532 508-759-4160

Cataumet Post Office 1 Post Office Square Bourne MA 02601 508-563-1751

Centerville Post Office 1672 Falmouth Road Barnstable Town MA 02632 508-778-4443

Chatham Post Office 802 Main Street Chatham MA 02633 508-945-6054

Cotuit Post Office 45 School Street Barnstable Town MA 02635 508-428-0756

Cummaquid Post Office 4029 Main Street Barnstable MA 02630 508-362-9228

Dennis Port Post Office 3 Mill Street Dennis Port MA 02639 508-398-4214

Dennis Post Office 788 Main Street Dennis MA 02638 508-385-6834

East Dennis Post Office 1600 Main Street Dennis MA 02660 508-385-3400

East Falmouth Post Office 451 East Falmouth Highway East Falmouth MA 02536 508-548-2393

East Orleans Post Office 210 Main Street Orleans MA 02653 508-255-4078

East Sandwich Post Office 443 Route 6A East Sandwich MA 02537 508-833-4684

Eastham Post Office 2365 State Highway Eastham MA 02642 508-255-0671

Falmouth Post Office 120 Main Street Falmouth MA 02540 508-457-0158

Forestdale Post Office 290 Route 130 Mashpee MA 02649 508-833-0811

Harwich Port Post Office 10 Post Office Sq Harwich Port MA 02646 508-430-6100

Harwich Post Office 1484 South Orleans Road Harwich MA 02645 508-432-8473

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.