The official website for the Southwest Harbor & Tremont Chamber of Commerce
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Post Offices


Seal Cove Post Office   
(207) 244-5161

Seal Harbor US Post Office   
207-276-5341

Somesville / Mt. Desert US Post Office   
(207) 244-5480

Southwest Harbor US Post Office   
207-244-3456

Bar Harbor US Post Office   
(207) 288-3122

Bass Harbor US Post Office   
(207) 244-5139

Bernard & West Tremont US Post Office   
207-244-5150

Cranberry Isles US Post Office   
207-244-3328

Hulls Cove US Post Office   
207-288-3842

Northeast Harbor US Post Office   
(207) 276-3221

Salisbury Cove US Post Office   
(207) 288-4594

PO Box 1143, Southwest Harbor ME 04679
207-244-9264
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