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American Cities Post Office Hours

Retail Hours

Contact Numbers:

Phone: 410-381-4373
Monday-Friday 9:00am - 1:00pm, 2:00pm - 5:00pm
Saturday 9:30am - 12:00pm
Sunday Closed

Pickup Services Hours

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

Monday-Friday 8:30am - 6:00pm
Saturday 8:30am - 1:00pm
Sunday Closed

PO Box Access Hours

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10227 Wincopin Cir Ste G11
Columbia, MD 21044

The American Cities Post Office is located in the state of Maryland within Howard County. This location serves 41,704 Columbia residents with a median income of $97,155. It's estimated that approximately 66,564 packages pass through this post office each year.

American Cities Post Office Location 21044

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