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Twentieth Street Post Office Hours

Retail Hours

Monday-Friday 9:00am - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed

Pickup Services Hours

Monday-Friday 9:00am - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed

Monday-Friday 8:00am - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed

PO Box Access Hours

Monday-Friday 8:00am - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed

Monday-Friday 5:00pm
Saturday 12:00pm
Sunday Closed

Self-Service Kiosk Availability

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2001 M St NW Lobby
Washington, DC 20036

The Twentieth Street Post Office is located in the state of District of Columbia within District of Columbia County. This location serves 5,435 Washington residents with a median income of $86,168. It's estimated that approximately 8,675 packages pass through this post office each year.

Twentieth Street Post Office Location 20036


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