21773 Post Office

Find 21773 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.


Myersville Post Office 1 Wolfsville Road Myersville MD 21773 301-293-1180


Boonsboro Post Office 5 Potomac Street Boonsboro MD 21713 5.9 miles from 21773 301-432-6861

Cavetown Post Office 22509 Cavetown Church Road Smithsburg MD 21783 7.2 miles from 21773 301-824-5230

Middletown Post Office 7227 Hollow Road Middletown MD 21769 7.6 miles from 21773 301-371-6880

Smithsburg Post Office 43 Grove Lane Smithsburg MD 21783 7.8 miles from 21773 301-824-2828

Chewsville Post Office 21106 Twin Springs Drive Smithsburg MD 21783 8.2 miles from 21773 301-733-8690

Keedysville Post Office 21 South Main Street Keedysville MD 21756 8.8 miles from 21773 301-432-5636

Braddock Heights Post Office 4707 Schley Avenue Braddock Heights MD 21714 8.9 miles from 21773 301-371-5998

Thurmont Post Office 110 Water Street Thurmont MD 21788 9.2 miles from 21773 301-271-2226

Funkstown Post Office 29 Frederick Road Funkstown MD 21734 9.3 miles from 21773 301-797-7331

Rohrersville Post Office 4314 Main Street Rohrersville MD 21779 9.6 miles from 21773 301-432-8909

Fairplay Post Office 8215 Sharpsburg Pike Fairplay MD 21733 10.0 miles from 21773 301-582-0559

College Estates Post Office 1301 West 7th Street Frederick MD 21702 10.5 miles from 21773 301-662-6115

Burkittsville Post Office 8 East Main Street Burkittsville MD 21718 11.1 miles from 21773 301-834-9592

Hagerstown Post Office 44 West Franklin Street Hagerstown MD 21740 11.4 miles from 21773 301-797-8100

Walkersville Post Office 7 East Frederick Street Walkersville MD 21793 11.5 miles from 21773 301-845-8342

Northern Post Office 12912 Conamar Drive Hagerstown MD 21742 11.7 miles from 21773 301-733-9195

Frederick Post Office 201 East Patrick Street Frederick MD 21701 11.8 miles from 21773 301-662-2131

Sharpsburg Post Office 118 East Chapline Street Sharpsburg MD 21782 11.9 miles from 21773 301-432-6554

Cascade Post Office 25208 Military Road Highfield-Cascade MD 21719 11.9 miles from 21773 301-241-3403

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.