Post Offices in & near Gaithersburg, MD

Gaithersburg Post Office

Post Office in Gaithersburg, Maryland on S Summit Ave. Operating hours, phone number, services information, and other locations.

Address: 21 S Summit Ave, Gaithersburg, MD 20877
Phone: 301-208-3701
Fax: 301-208-3707
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

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

Lobby Hours

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday Closed

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Diamond Farm Post Office

Address: 23 Firstfield Rd, Gaithersburg, MD 20878
Phone: 301-208-3735
Fax: 301-208-3713
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

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Washington Grov Post Office

Address: 111 Washington Grove Ln, Washington Grove, MD 20880
Phone: 301-948-5009
Fax: 301-721-1970
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

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Suburban Window Scv Post Office

Address: 16501 Shady Grove Rd, Gaithersburg, MD 20898
Phone: 301-670-6085
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

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Montgomery Villag Post Office

Address: 10079 Stedwick Rd, Montgomery Village, MD 20886
Phone: 301-208-3716
Fax: 301-208-3721
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

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Kentland Post Office

Address: 618 Center Point Way, Gaithersburg, MD 20878
Phone: 301-869-4866
Fax: 301-869-8045
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

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Leaflet