GAITHERSBURG POST OFFICE 20877


Gaithersburg Post Office Hours

Retail Hours

Contact Numbers:

Phone: 301-208-3701
Monday-Friday 9:00am - 5:00pm
Saturday 9:00am - 1:00pm
Sunday Closed

Pickup Services Hours

Monday-Friday 9:00am - 5:00pm
Saturday 9:00am - 1:00pm
Sunday Closed

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

PO Box Access Hours

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

Monday-Saturday 10:30am
Sunday Closed

Last Collection Times

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Annette L Weller (Postmaster) annette.l.weller@usps.gov
301-208-3701
21 S Summit Ave
Gaithersburg, MD 20877

The Gaithersburg Post Office is located in the state of Maryland within Montgomery County. This location serves 34,321 Gaithersburg residents with a median income of $64,396. It's estimated that approximately 54,780 packages pass through this post office each year.

Gaithersburg Post Office Location 20877


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