Mountlake Terrace Post Office

23210 57th Ave W, Mountlake Terrace, WA 98043

Contact Numbers

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

Retail Hours







Lobby Hours
PO Box Access Available

Monday 8:00am - 5:00pm
Tuesday 8:00am - 5:00pm
Wednesday 8:00am - 5:00pm
Thursday 8:00am - 5:00pm
Friday 8:00am - 5:00pm
Saturday 8:00am - 11:00am
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:30pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 9:30am - 11:30am
Tuesday 9:30am - 11:30am
Wednesday 9:30am - 11:30am
Thursday 9:30am - 11:30am
Friday 9:30am - 11:30am
Saturday Closed
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 Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

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:

Lynnwood
6817 208th St SW
1.1 miles away

North City
18336 Aurora Ave N Ste 105
1.7 miles away

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

Perrinville
7601 Olympic View Dr
2.1 miles away

Reviews

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I recieved a partial envelope missing the item from inside not in a plastic envelope meaning it likely didn't arrive like that and I wasn't even able to call and ask it that's what happened. So not sure if that item was stolen or lost but either way its frustrating to know there isn't anyone I can contact for help.
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I JUST WANT MY PACKAGE!!! I don’t understand why my package is being detained, when there’s nothing harmful inside. LITERALLY ONLY PIECES OF PAPERS!!!!!! And I really need those papers so please send my package to me I literally contacted usps and other resources and all of them are useless. And I also contacted the seller BUT SHE CANT DO ANYTHING ABOUT IT EITHER. I just want my package please, send it to me!!!!! I don’t understand why they won’t help. ITS JUST A PACKAGE, and I can’t risk it getting lost!!!!!
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They don't deliver advertising. Sometimes the following week after sales are over. It's 5:45 and no delivery. Where are our ballots. Seems corrupt! Poor service at best!
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I don't receive my mail twice it send back to the company. I do no why, already I Chang my old address you guys could you fixed my problem? Thank you.
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Mail in Mountlake Terrace has been really hectic lately. My apartment has been receiving mail anywhere between 12:00 - 4:00pm for about a month. It used to be here at 10:00am everyday, then eventually became 1:00pm everyday. It would be nice to not have to check the box thrice a day to see if it's come yet. Needs better coordination with routes and drivers.
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I received a notice of vacant house at 23107 50th Ave W. Mountlake Terrace 98043 from the Lynnwood Post Office. I am the owner and I have not changed my address, I have recently kicked everyone out of the house. To many problems no one paid anything including the increase in utilities. I find this interesting after Mountlake Terrace Police just discovered I have no one else living at the house. The typical routine of harassment took no time at all to restart.
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