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Sumas Post Office Hours

Retail Hours

Contact Numbers:

Phone: 360-988-2613
Monday-Friday 8:30am - 4:30pm
Saturday-Sunday Closed

Bulk Mail Acceptance Hours

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

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

Lobby Hours

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

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Willie Curtis (Postmaster)
534 Railroad Ave
Sumas, WA 98295

The Sumas Post Office is located in the state of Washington within Whatcom County. This location serves 2,409 Sumas residents with a median income of $61,500. It's estimated that approximately 3,845 packages pass through this post office each year.

Sumas Post Office Location 98295

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