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Underwood Post Office Hours

Retail Hours

Contact Numbers:

Phone: 509-493-2638
Monday-Friday 10:00am - 2:00pm
Saturday 11:00am - 12:00pm
Sunday Closed

Pickup Services Hours

Monday-Friday 10:00am - 2:00pm
Saturday 10:00am - 12:30pm
Sunday Closed

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

PO Box Access Hours

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981 Schoolhouse Rd
Underwood, WA 98651

The Underwood Post Office is located in the state of Washington within Skamania County. This location serves 939 Underwood residents with a median income of $46,417. It's estimated that approximately 1,499 packages pass through this post office each year.

Underwood Post Office Location

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