21228 Post Office

Find 21228 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.


Catonsville Post Office 1001 Frederick Road Catonsville MD 21228 410-869-7204


Security Sq Post Office 6901 Security Boulevard Woodlawn MD 21244 2.8 miles from 21228 410-944-3517

Ellicott City Post Office 3375 Ellicott Center Drive Ellicott City MD 21043 3.5 miles from 21228 410-750-1340

Carroll Post Office 340 South Loudon Avenue Baltimore MD 21229 3.5 miles from 21228 410-644-0525

Halethorpe Post Office 6 Waelchli Avenue Halethorpe MD 21227 3.6 miles from 21228 410-242-1483

Windsor Mill Post Office 2513 North Rolling Road Milford Mill MD 21244 3.7 miles from 21228 410-594-9284

Gwynn Oak Post Office 6101 Liberty Road Lochearn MD 21207 4.8 miles from 21228 410-944-2435

Walbrook Post Office 1908 North Ellamont Street Baltimore MD 21216 4.8 miles from 21228 410-523-3198

Franklin Post Office 2401 Ashton Street Baltimore MD 21223 5.0 miles from 21228 410-233-2651

Elkridge Post Office 6655 Santa Barbara Road Elkridge MD 21075 5.7 miles from 21228 410-379-1535

Enchanted Forest Post Office 10020 Baltimore National Pike Ellicott City MD 21042 5.7 miles from 21228 410-750-9529

Arlington Post Office 3500 Dolfield Avenue Baltimore MD 21215 5.8 miles from 21228 410-664-2701

Mondawmin Ml Post Office 2401 Liberty Heights Avenue Baltimore MD 21215 5.8 miles from 21228 410-462-2751

Druid Post Office 1826 Pennsylvania Avenue Baltimore MD 21217 6.3 miles from 21228 410-669-1477

Market Center Post Office 130 North Greene Street Baltimore MD 21201 6.7 miles from 21228 410-244-1981

South Post Office 1220 Race Street Baltimore MD 21230 7.0 miles from 21228 410-539-8859

Linthicum Heights Post Office 515 South Camp Meade Road Linthicum Heights MD 21090 7.0 miles from 21228 410-859-9886

American Cities Post Office 10227 Wincopin Circle Columbia MD 21044 7.1 miles from 21228 410-381-4373

Pikesville Post Office 1325 Bedford Avenue Pikesville MD 21208 7.2 miles from 21228 410-602-2761

Columbia Post Office 6801 Oak Hall Lane Columbia MD 21045 7.3 miles from 21228 410-381-4373

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.