HoursPostOffice.com
For example: "New York", or "Chicago"
Post Office Mercer Island (WA)

Post Office Mercer Island (WA)

Details

Post office address 3040 78th Ave Se
Town/City Mercer Island
State WA
ZIP 98040-9998
Phone 206-232-8834
The Post Office is open Monday to Sunday from 12:01 am to 11:59 pm.
Horaires Self-Service Kiosk
Monday
Nov 3, 2025
Tuesday
Nov 4, 2025
Wednesday
Nov 5, 2025
Thursday
Nov 6, 2025
Friday
Nov 7, 2025
Saturday
Nov 8, 2025
Sunday
Nov 9, 2025
Horaires Bulk Mail Acceptance
Monday
Nov 3, 2025
Tuesday
Nov 4, 2025
Wednesday
Nov 5, 2025
Thursday
Nov 6, 2025
Friday
Nov 7, 2025
Saturday
Nov 8, 2025
Closed
Sunday
Nov 9, 2025
Closed
Horaires Retail
Monday
Nov 3, 2025
Tuesday
Nov 4, 2025
Wednesday
Nov 5, 2025
Thursday
Nov 6, 2025
Friday
Nov 7, 2025
Saturday
Nov 8, 2025
Sunday
Nov 9, 2025
Closed
Horaires Call Referral
Monday
Nov 3, 2025
Tuesday
Nov 4, 2025
Wednesday
Nov 5, 2025
Thursday
Nov 6, 2025
Friday
Nov 7, 2025
Saturday
Nov 8, 2025
Sunday
Nov 9, 2025
Closed
Horaires Carrier Call Referral
Monday
Nov 3, 2025
Tuesday
Nov 4, 2025
Wednesday
Nov 5, 2025
Thursday
Nov 6, 2025
Friday
Nov 7, 2025
Saturday
Nov 8, 2025
Sunday
Nov 9, 2025
Closed
Horaires Lobby
Monday
Nov 3, 2025
Tuesday
Nov 4, 2025
Wednesday
Nov 5, 2025
Thursday
Nov 6, 2025
Friday
Nov 7, 2025
Saturday
Nov 8, 2025
Sunday
Nov 9, 2025
Horaires Passport Appointment
Monday
Nov 3, 2025
Tuesday
Nov 4, 2025
Wednesday
Nov 5, 2025
Thursday
Nov 6, 2025
Friday
Nov 7, 2025
Saturday
Nov 8, 2025
Closed
Sunday
Nov 9, 2025
Closed
Horaires Passport Photo
Monday
Nov 3, 2025
Tuesday
Nov 4, 2025
Wednesday
Nov 5, 2025
Thursday
Nov 6, 2025
Friday
Nov 7, 2025
Saturday
Nov 8, 2025
Closed
Sunday
Nov 9, 2025
Closed
Horaires Pickup Services
Monday
Nov 3, 2025
Tuesday
Nov 4, 2025
Wednesday
Nov 5, 2025
Thursday
Nov 6, 2025
Friday
Nov 7, 2025
Saturday
Nov 8, 2025
Sunday
Nov 9, 2025
Closed
Horaires PO Box Access
Monday
Nov 3, 2025
Tuesday
Nov 4, 2025
Wednesday
Nov 5, 2025
Thursday
Nov 6, 2025
Friday
Nov 7, 2025
Saturday
Nov 8, 2025
Sunday
Nov 9, 2025

Services Offered at this location and other information

Services Available:

  • Self-Service Kiosk
  • Business Reply Mail® Account Balance
  • Business Reply Mail New Permit
  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • Call Referral
  • Carrier Services
  • Duck Stamps
  • General Delivery
  • Gift Card Services
  • Greeting Card Services
  • Global Express Guranteed®
  • Label Broker®
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Passport Appointments
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Pickup Notice Left Mail
  • Priority Mail International®
  • PO Box Online
  • Sure Money

Parking: Lot Parking Available

Contacts

  • Phone support: 1-800-ASK-USPS® (800-275-8777)
  • TTY: 877-889-2457
  • Phone: 206-232-8834
  • Fax: 206-232-8834

PO Box Delivery

  • Monday: 10:30
  • Tuesday: 10:30
  • Wednesday: 10:30
  • Thursday: 10:30
  • Friday: 10:30
  • Saturday: 10:30
Web: https://www.usps.com/

Deadlines for a deposit

Day Maximum hours for departure today
Monday
  • Global Express Guaranteed: 16:00
  • Last Collection: 17:00
Tuesday
  • Global Express Guaranteed: 16:00
  • Last Collection: 17:00
Wednesday
  • Global Express Guaranteed: 16:00
  • Last Collection: 17:00
Thursday
  • Global Express Guaranteed: 16:00
  • Last Collection: 17:00
Friday
  • Global Express Guaranteed: 16:00
  • Last Collection: 17:00
Saturday
  • Last Collection: 16:15

Postage rates 2025

Domestic Prices

USPS Prices for the most common shipments and services:

Service Prices
Priority Mail Express From $30.45
Priority Mail From $9.25
First-Class Mail From $0.68
Library Mail From $4.13

Where is located your Post Office in Mercer Island?

Does this post office open on saturdays?

Yes, The Post Office is open on Saturday from 12:01 am to 11:59 pm. You can get there at the times indicated.

Does this post office open on sundays?

Yes, The Post Office is open on Sunday from 12:01 am to 11:59 pm. Not all services may be available on Sundays. However, this post office is one of the few posts to be open on Sundays.

Post offices around

Post Offices in Mercer Island

Find the list of all the other Post Offices in Mercer Island by following this link.