Sumas Post Office

534 Railroad Ave, Sumas, WA 98295

Contact Numbers:

Phone: 360-988-2613
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Monday-Friday 8:30am - 4:30pm Saturday-Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 10:00am - 1:30pm Saturday-Sunday Closed

Pickup Services Hours

Monday-Friday 8:30am - 4:30pm Saturday 11:00am - 12:00pm Sunday Closed

Lobby Hours

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

PO Box Access Hours

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

PO Box Delivery Time

Monday-Saturday 11:30am Sunday Closed

Last Collection Hours

Monday-Friday 4:00pm Saturday 12:00pm Sunday Closed

Carrier Facility Hours

Monday-Friday 8:30am - 4:30pm Saturday 9:30am - 3:00pm Sunday Closed

Global Express Guaranteed® Hours

Monday-Friday 8:30am - 4:30pm Saturday-Sunday Closed

*This facility is not a US Passport renewal office. Check nearby locations below to apply for or renew your passport.

*Please call to verify all information

  • Bulk Mail Acceptance
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • 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®

Visit our Links Page for information pertaining to 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 for Employment in a new post office career.

*Is any of the above information incorrect? Let us know here

Nearby Post Offices:

Everson
108 Blair Dr
4.3 miles away

Deming
5014 Deming Rd
7.3 miles away

Lynden
600 Front St
7.9 miles away

Acme
2026 Valley Hwy
11.6 miles away

Click Here for Larger Map - *Please call to verify location


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