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US Post Office
One of 4 shipping or delivery service listings in Mercer Island.
About US Post Office
US Post Office is a shipping or delivery service in the public service and government sector, based in Mercer Island, WA. Its recorded address is 3040 78th Ave SE, 98040. The listing includes a telephone number, an official website. It is one of 4 shipping or delivery service listings tracked in Mercer Island; the nearest comparable listing is MERCER ISLAND, within walking distance in MERCER ISLAND. US Post Office has 7,292 listed locations in total; this page covers the Mercer Island branch.
- Address
- 3040 78th Ave SE, Mercer Island, WA, 98040
- Phone
- (800) 275-8777
- Website
- tools.usps.com
- Social
Questions
Where is US Post Office located?
3040 78th Ave SE, Mercer Island, WA, 98040
How do I contact US Post Office?
(800) 275-8777 · https://tools.usps.com/find-location.htm?location=1372734
What type of business is US Post Office?
US Post Office is a shipping or delivery service (public service and government) in Mercer Island.
US Post Office branches
US Post Office has 7,292 listed locations. This branch is in Mercer Island.
- Kailua Kona96740-2440
- Hilo96720
- Hilo96720
- Laupahoehoe96764-9997
- Kapaau96755-3001
- Kihei96753
- Lanai City96763
- Pukalani96788
- Lahaina96761
- Honolulu96817
Nearby shipping or delivery service
- MERCER ISLANDMERCER ISLAND0.0 km
- USPSMercer Island0.0 km
- United States Postal ServiceMercer Island0.0 km
- The UPS StoreMercer Island0.5 km
- MEDINAMEDINA4.0 km
- US Post OfficeMedina4.0 km
- United States Postal ServiceMedina4.0 km
- FedEx Office Print & Ship CenterBellevue3.9 km
- Fedex StaffedBellevue4.0 km
- MovableBellevue4.1 km
- UPS Access Point locationBellevue4.1 km
- BELLEVUE WAY CARRIER ANNEXBELLEVUE4.8 km
- USPSBellevue4.8 km
- US Post OfficeBellevue4.9 km
- The UPS StoreBellevue4.9 km
Cite this page
“US Post Office, Mercer Island — business.wiki, retrieved August 2026.” Facts on this page come from openly licensed data (Overture Maps Foundation) and are refreshed with each monthly release; sourcing is documented on the methodology page.