Mercer Island Post Office Contact Information
Address, Phone Number, and Hours for an Post Office in Mercer Island, Washington.
| Name | Mercer Island Post Office |
| Address | 3040 78th Avenue Southeast, Mercer Island WA 98040 Map |
| Phone | (206) 232-8834 |
| Website | |
| Hours |
Map of Mercer Island Post Office
Post Office near Mercer Island
About Mercer Island Post Office
The Mercer Island Post Office, located in Mercer Island, WA, is a branch location of the United States Postal Service (USPS) that serves the Mercer Island community. The customer service postal facility offers mail and package delivery services, P.O. box services, and passport services. The USPS operates as an independent agency within the federal government, supported entirely by revenues generated through its operations.
Interested parties may contact Post Office for questions about:
- Mercer Island, Washington Post Office hours and locations
- PO Box services in Mercer Island
- Mail and package delivery services
- Postage rates
- Passport services
- King County, Washington Post Office jobs and employment