SECURITY SQ, MD Post Office
6901 SECURITY BLVD WINDSOR MILL, MD 21244 - 2412
Lot Parking Available
Phone 410-594-9284
Fax 410-594-9318
TTY 877-889-2457
Hours
- Mon-Sat 11:00 AM - 01:00 PM
- Sun Closed
Lobby Hours
- Mon-Sat 11:00 AM - 01:00 PM
- Sun Closed
Last Collection Hours
- Mon-Sat 01:30 PM
- Sun Closed
Post Office Passport Acceptance Hours
- Mon-Sat 11:00 AM - 02:00 PM
- Sun Closed
PO Box Access Hours
- Mon-Sat 11:00 AM - 01:00 PM
- Sun Closed
Post Office On-Site Services
- Call Referral
- Duck Stamps
- Greeting Card Services
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Money Orders (International)
- Passport Photo
- Passport Walk
- Priority Mail International®