Washington County Post Office

Find Washington County Maine 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.


Addison Post Office 297 Water Street Addison ME 04606 207-483-4632


Baileyville Post Office 667 Houlton Road Baileyville ME 04694 207-427-3745

Beals Post Office 43 Bay View Drive Beals ME 04611 207-497-2163

Brookton Post Office 14 Forest City Road Brookton ME 04413 207-448-2848

Calais Post Office 76 North Street Calais ME 04619 207-454-2272

Cherryfield Post Office 14 Municipal Way Cherryfield ME 04622 207-546-7210

Columbia Falls Post Office 169 Main Street Columbia Falls ME 04680 207-483-2302

Cutler Post Office 2739 Cutler Road Cutler ME 04626 207-259-4493

Danforth Post Office 33 Springfield Road Danforth ME 04424 207-448-2958

Dennysville Post Office 128 Main St Dennysville ME 04628 207-726-5050

East Machias Post Office 580 Main Street East Machias ME 04630 207-255-8380

Eastport Post Office 1 Washington Street Eastport ME 04631 207-853-4422

Harrington Post Office 1285 Main Street Harrington ME 04643 207-483-4622

Jonesboro Post Office 810 Route 1 Jonesboro ME 04648 207-434-2077

Jonesport Post Office 193 Main Street Jonesport ME 04649 207-497-5550

Lubec Post Office 3 Washington Street Lubec ME 04652 207-733-5581

Machias Post Office 89 Court Street Machias ME 04654 207-255-3725

Machiasport Post Office 2 Unity Sq Machiasport ME 04655 207-255-3531

Meddybemps Post Office 849 Main Street Meddybemps ME 04657 207-454-8573

Milbridge Post Office 19 School St Milbridge ME 04658 207-546-7835

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.