Mercer Island Post Office

3040 78th Ave Se
Mercer Island, WA 98040
(206) 232-8834
(206) 232-8834
Hours of Operation: View Hours

View the Mercer Island Post Office hours along with contact information, and more to get your post office needs done in Mercer Island, WA.

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What are the hours for the Mercer Island Post Office?

Mercer Island Post Office Hours

Mon-Fri 8:30am-5:30pm Sat 10:00am-2:00pm Sun closed

Mercer Island Post Office Additional Information:

Located in King County

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