Mercer Island Post Office
3040 78th Ave SE, Mercer Island, WA 98040
Phone: 206-232-8834
Fax: 651-456-6210
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:15pm
Sunday Closed
Monday 9:00am - 9:45am
Tuesday 9:00am - 9:45am
Wednesday 9:00am - 9:45am
Thursday 9:00am - 9:45am
Friday 9:00am - 9:45am
Saturday Closed
Sunday Closed
Monday 9:45am - 2:45pm
Tuesday 9:45am - 2:45pm
Wednesday 9:45am - 2:45pm
Thursday 9:45am - 2:45pm
Friday 9:45am - 2:45pm
Saturday Closed
Sunday Closed
- Visit our Passport FAQ page for a complete overview of what to bring, what you need to know, and how long it will take.
- You will need two forms of Identification with copies.
- A passport quality photo. Available at location.
- The appropriate application form printed and filled out, and the required fee for applying or renewing.
- You can find up to date costs, information, and forms at the State Departments Travel Site
*Appointments are required outside of walk-in hours to apply for or renew US Passports. Please Call or schedule online.
Monday 10:00am - 1:00pm
Tuesday 10:00am - 1:00pm
Wednesday 10:00am - 1:00pm
Thursday 10:00am - 1:00pm
Friday 10:00am - 1:00pm
Saturday Closed
Sunday Closed
- Bulk Mail Acceptance
- Bulk Mail Account Balance
- Bulk Mail New Permit
- Burial Flags
- Business Line
- Business Reply Mail Account Balance
- Business Reply Mail New Permit
- Duck Stamps
- General Delivery
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Passport Acceptance
- Passport Photo
- Pickup Accountable Mail
- Pickup Hold Mail
- PO Box Online
- Lot Parking
- Passport Appointment Hours
Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.
*Please call to verify information. Is anything incorrect? Let us know here
Nearby Post Offices:
Medina
816 Evergreen Point Rd
1.4 miles away
Bellevue Way Carrier Annex
1171 Bellevue Way NE
1.9 miles away
Columbia
3795 S Alaska St
2.3 miles away
Midlakes
12400 SE 38th St
2.4 miles away
King County
Reviews
*Comments below are not read by postal employees. Please do not post personal information.



