USPS - Post Office - Mercer Island (mail package delivery courier ) - Location & Hours

Store Details

3040 78th Ave Se
 Mercer Island, Washington 98040-9998

Lot Parking Available

Phone: 206-232-8834
Fax: 651-456-6210

Map & Directions   Website

Regular Store Hours

Mon: 8:30am - 5:30pm
Tue: 8:30am - 5:30pm
Wed: 8:30am - 5:30pm
Thu: 8:30am - 5:30pm
Fri: 8:30am - 5:30pm
Sat: 10:00am - 2:00pm
Sun: Closed

Store hours may vary due to seasonality.

Nearby USPS - Postal Service Locations

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Store Services/Products

  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Global Express Guaranteed®
  • Greeting Card Services
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • PO Box Online
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Priority Mail International®

Store Departments

Last Collection Hours

Last Collection Hours hours:
Mon-Fri: 5:00pm
Sat: 4:15pm
Sun: Closed

Lobby Hours

Lobby Hours hours:
Mon-Sun: 12:01am - 11:59pm

Passport Photo Hours

Passport Photo Hours hours:
Mon-Fri: 10:15am - 3:15pm
Sat-Sun: Closed

PO Box Access Hours

PO Box Access Hours hours:
Mon-Sun: 12:01am - 11:59pm

Carrier Facility Hours

Carrier Facility Hours hours:
Mon-Fri: 8:30am - 5:30pm
Sat: 10:00am - 2:00pm
Sun: Closed

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