21797 Post Office

Find 21797 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.


Woodbine Post Office 7623 Woodbine Road Woodbine MD 21797 410-795-9596


Lisbon Post Office 1280 Hopkins Alley Lisbon MD 21765 0.6 miles from 21797 410-489-7177

Glenwood Post Office 3000 Route 97 Glenwood MD 21738 3.6 miles from 21797 410-489-4451

Mount Airy Post Office 505 Windy Knoll Drive Mount Airy MD 21771 5.0 miles from 21797 301-829-1199

Glenelg Post Office 3900 Ten Oaks Road Glenelg MD 21737 6.3 miles from 21797 410-531-5016

West Friendship Post Office 12800 Highway 144 West Friendship MD 21794 6.4 miles from 21797 410-442-1790

Damascus Post Office 26400 Woodfield Road Damascus MD 20872 7.4 miles from 21797 301-253-3781

Brookeville Post Office 22311 Georgia Avenue Brookeville MD 20833 7.4 miles from 21797 301-260-2975

Dayton Post Office 4924 Ten Oaks Road Dayton MD 21036 7.9 miles from 21797 410-531-6194

Sykesville Post Office 1363 Progress Way Sykesville MD 21784 8.8 miles from 21797 410-795-0350

Laytonsville Post Office 6830 Olney Laytonsville Road Laytonsville MD 20882 9.3 miles from 21797 301-208-3736

Woodstock Post Office 10501 Old Frederick Road Woodstock MD 21163 10.1 miles from 21797 410-750-7213

Monrovia Post Office 4411 Green Valley Road Monrovia MD 21770 10.7 miles from 21797 301-865-5432

Highland Post Office 12975 Highland Road Highland MD 20777 11.3 miles from 21797 301-854-2418

New Market Post Office 168 West Main Street New Market MD 21774 11.9 miles from 21797 301-865-3333

Olney Post Office 3570 Olney Laytonsville Road Olney MD 20832 12.0 miles from 21797 301-260-9013

Enchanted Forest Post Office 10020 Baltimore National Pike Ellicott City MD 21042 12.1 miles from 21797 410-750-9529

Sandy Spring Post Office 901 Olney Sandy Spring Road Sandy Spring MD 20860 12.6 miles from 21797 301-924-1634

Ashton Post Office 19 Olney Sandy Spring Road Ashton-Sandy Spring MD 20861 12.7 miles from 21797 301-774-0100

Clarksburg Post Office 22505 Gateway Center Drive Clarksburg MD 20871 13.0 miles from 21797 301-540-0856

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.