Sinclair Post Office

251 Sinclair Rd Sinclair, ME 04779
Phone: 207-543-7729

Parking: Parking Lot Available
Post Office Lobby Hours
Monday 12:01am - 11:59pm
Tuesday 12:01am - 11:59pm
Wednesday 12:01am - 11:59pm
Thursday 12:01am - 11:59pm
Friday 12:01am - 11:59pm
Saturday 12:01am - 11:59pm
Sunday 12:01am - 11:59pm


Sinclair Post Office is a United States Postal Service (USPS) facility in Sinclair, ME. This post office offers a full array of services, including package delivery and first class mail.


Business Reply Mail® Account Balance
Business Reply Mail New Permit
Bulk Mail New Permit
Burial Flags
Bulk Mail Acceptance
Bulk Mail Account Balance
Carrier Services
Duck Stamps
Money Orders (Domestic)
Money Orders (Inquiry)
Money Orders (International)
Pickup Hold Mail
Pickup Accountable Mail
Pickup Notice Left Mail
PO Boxes
Priority Mail International®

Nearby Post Offices

Saint Agatha Post Office

353 Main St
Saint Agatha, ME 04772

Frenchville Post Office

386 Us Route 1
Frenchville, ME 04745

Stockholm Post Office

279 Main St
Stockholm, ME 04783

Grand Isle Post Office

6 Traverse St
Grand Isle, ME 04746

Saint David Post Office

994 Main St
Saint David, ME 04773

Madawaska Post Office

370 Main St
Madawaska, ME 04756

Wallagrass Post Office

174 Soldier Pond Rd
Wallagrass, ME 04781

Fort Kent Mills Post Office

345 Market St Unit 102
Fort Kent Mills, ME 04744

Van Buren Post Office

42 Main St
Van Buren, ME 04785

Fort Kent Post Office

152 W Main St
Fort Kent, ME 04743

New Sweden Post Office

414 Station Rd
New Sweden, ME 04762

Eagle Lake Post Office

3315 Aroostook Rd
Eagle Lake, ME 04739