21704 Post Office

Find 21704 post offices and USPS mailing boxes. Post offices provide information on bulk mail services, domestic mail delivery, international shipping, change of address, mail forwarding, PO boxes, and passport services.


Buckeystown Post Office 4001 Buckeystown Pike Frederick MD 21704 301-874-5294


Frederick Post Office 201 East Patrick Street Frederick MD 21701 4.4 miles from 21704 301-662-2131

New Market Post Office 168 West Main Street New Market MD 21774 5.3 miles from 21704 301-865-3333

College Estates Post Office 1301 West 7th Street Frederick MD 21702 5.7 miles from 21704 301-662-6115

Monrovia Post Office 4411 Green Valley Road Monrovia MD 21770 5.7 miles from 21704 301-865-5432

Adamstown Post Office 5537 Mountville Road Adamstown MD 21710 6.1 miles from 21704 301-874-5429

Braddock Heights Post Office 4707 Schley Avenue Braddock Heights MD 21714 8.1 miles from 21704 301-371-5998

Tuscarora Post Office 5709 Tuscarora Road Tuscarora MD 21790 8.4 miles from 21704 301-874-2303

Jefferson Post Office 3702 Jefferson Pike Jefferson MD 21755 8.8 miles from 21704 301-473-8484

Walkersville Post Office 7 East Frederick Street Walkersville MD 21793 8.9 miles from 21704 301-845-8342

Barnesville Post Office 22110 Beallsville Road Barnesville MD 20838 9.4 miles from 21704 301-972-8153

Middletown Post Office 7227 Hollow Road Middletown MD 21769 9.4 miles from 21704 301-371-6880

Dickerson Post Office 22145 Dickerson Road Dickerson MD 20842 9.7 miles from 21704 301-428-8243

Point Of Rocks Post Office 1597 Bowis Drive Point of Rocks MD 21777 9.9 miles from 21704 301-874-2131

Damascus Post Office 26400 Woodfield Road Damascus MD 20872 10.3 miles from 21704 301-253-3781

Clarksburg Post Office 22505 Gateway Center Drive Clarksburg MD 20871 10.3 miles from 21704 301-540-0856

Libertytown Post Office 11941 Main Street Frederick MD 21701 11.1 miles from 21704 301-898-7156

Boyds Post Office 15300 Barnesville Road Boyds MD 20841 12.1 miles from 21704 301-972-9527

Mount Airy Post Office 505 Windy Knoll Drive Mount Airy MD 21771 12.2 miles from 21704 301-829-1199

Woodsboro Post Office 602 South Main Street Woodsboro MD 21798 12.5 miles from 21704 301-845-8408

About Post Offices

What Change of Address options are available?

Customers can request a temporary or permanent Change of Address either online or in person at the Post Office using PS Form 3575. The online application for Change of Address has a $1.00 identity validation fee.

Is it possible to insure mail and items sent via the USPS?

Yes. Standard mail can be insured for up to $5,000 for an additional fee. Registered mail items can be insured for up to $50,000.

What is the USPS Office of Inspector General?

The Office of Inspector General (OIG) is a division within the USPS responsible for ensuring the integrity and accountability of the postal service. It conducts investigations to safeguard the postal system and performs audits and reviews.