Mountlake Terrace Post Office

23210 57th Ave W, Mountlake Terrace, WA 98043

All offices are closed Thanksgiving Day - November 26th
Contact Numbers:

Phone: 425-778-0429
Fax: 650-578-4715
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Monday-Friday 9:00am - 5:00pm
Saturday-Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 9:00am - 4:00pm
Saturday-Sunday Closed

Pickup Services Hours

Monday-Friday 9:00am - 5:00pm
Saturday 9:00am - 11:30am
Sunday Closed

Lobby Hours

Monday-Sunday 12:01am - 11:59pm

PO Box Access Hours

Monday-Sunday 12:01am - 11:59pm

Last Collection Times

Monday-Friday 5:00pm
Saturday 1:30pm
Sunday Closed

Global Express Guaranteed® Hours

Monday-Friday 9:00am - 5:00pm
Saturday-Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Bulk Mail Acceptance
  • 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®
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Priority Mail International®
  • Lot Parking

Visit our Links Page for Change of Address, Hold Mail/Stop Delivery, PO Boxes™ rentals and fees, Rates on Postage Stamps and Freight/Shipping, Holidays, Bulk Mail, Money Orders, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

6817 208th St SW
1.1 miles away

North City
17233 15th Ave NE
1.3 miles away

Alderwood Manor
3715 196th St SW Ste 101
1.7 miles away

7601 Olympic View Dr
2.0 miles away


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* is not a part of, or affiliated with, the official United States Postal Service (USPS).