Cornelius Post Office

1639 Baseline St, Cornelius, OR 97113

Contact Numbers

Phone: 503-992-9003
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
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

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 12:30pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 10:00am - 3:30pm
Tuesday 10:00am - 3:30pm
Wednesday 10:00am - 3:30pm
Thursday 10:00am - 3:30pm
Friday 10:00am - 3:30pm
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
  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • 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:

Hillsboro Dcu
1330 SW Walnut St
1.9 miles away

Forest Grove
2214 Pacific Ave
2.2 miles away

Hillsboro
125 S 1st Ave
2.5 miles away

North Plains
31700 NW Commercial St
3.7 miles away

Reviews

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a prescription was sent to my P.O. box 543-mailed out December 30th 2022---i have never received it!---i have the tracking #--i am afraid it went to the incorrect P>O> box--very frustrating---i have called but no answer--during working hours-tracking # 920 019 999 991946 432 5147----------
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We can not get to are p.o box 24 hour to get are medicine or are bills we pay for 24 hours of severe but we can't get mail 24 hours so will are bill go down.
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What happened to the po boxes being 24 hours? The very tiny red sign on the door with tiny black print isn't very helpful. And what about the people who work during the day and are unable to pickup mail till after 6? Little frustrated I stopped in at 7 after I got off work to get my package and it's locked. We pay for the boxes we should get access to them when we need it.
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what is going on with access to the po boxes? are they not accessible 24 hour
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You guys delivered a package to the wrong address and I have evidence and the person whose address you delivered it to won't give me my package I just want my damn package because it has important soaps that are required for me to put on I'm a little mad that you guys aren't open on the weekends so I've been trying to get ahold of you guys and you guys are always close you guys can never give me a straight answer I just want my freaking package I want and if you're not going to give me my package I want my money
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